@font-face {
    font-family: 'Lato';
    font-style: italic;
    font-weight: 400;
    src: url(https://fonts.gstatic.com/s/lato/v17/S6u8w4BMUTPHjxsAXC-qNiXg7Q.woff2) format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
    font-display: swap
}

@font-face {
    font-family: 'Lato';
    font-style: normal;
    font-weight: 300;
    src: url(https://fonts.gstatic.com/s/lato/v17/S6u9w4BMUTPHh7USSwaPGQ3q5d0N7w.woff2) format('woff2');
    unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
    font-display: swap
}

@font-face {
    font-family: 'Lato';
    font-style: normal;
    font-weight: 300;
    src: url(https://fonts.gstatic.com/s/lato/v17/S6u9w4BMUTPHh7USSwiPGQ3q5d0.woff2) format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
    font-display: swap
}

@font-face {
    font-family: 'Lato';
    font-style: normal;
    font-weight: 400;
    src: url(https://fonts.gstatic.com/s/lato/v17/S6uyw4BMUTPHjxAwXiWtFCfQ7A.woff2) format('woff2');
    unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
    font-display: swap
}

@font-face {
    font-family: 'Lato';
    font-style: normal;
    font-weight: 400;
    src: url(https://fonts.gstatic.com/s/lato/v17/S6uyw4BMUTPHjx4wXiWtFCc.woff2) format('woff2');
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
    font-display: swap
}

body {
    background-color: inherit
}

div#container {
    background-color: inherit
}

/* html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
dfn,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
tfoot,
thead,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
figcaption,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit
}

article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav, */
/* section {
    display: block
}

body {
    line-height: 1
}

ol,
ul {
    list-style: none
}

blockquote,
q {
    quotes: none
}

blockquote:before,
blockquote:after,
q:before,
q:after {
    content: '';
    content: none
}

table {
    border-collapse: collapse;
    border-spacing: 0
}

html {
    font-family: 'lato', sans-serif;
    background-position: center;
    background-attachment: fixed;
    background-size: cover
}

a {
    text-decoration: none;
    color: #797474
}

h1 {
    font-size: 3.1em;
    font-weight: 300;
    margin: 12px 0
}

h2 {
    font-size: 2.5em
}

h3 {
    font-size: 2em;
    font-weight: 300
}

h4 {
    font-size: 1.8em
}

h6 {
    font-size: .8em;
    color: #fff
}

p {
    line-height: 1.3em
} */

.bottom-margin-25 {
    margin: 0 0 25px 0
}

.bottom-margin-50 {
    margin: 0 0 50px 0
}

.bottom-margin-75 {
    margin: 0 0 75px 0
}

.bottom-margin-100 {
    margin: 0 0 100px 0
}

.container {
    max-width: 1024px;
    margin: auto
}

header {
    width: 100%
}

#header-upper {
    background: #1f1f1f;
    padding: 10px 0
}

#header-upper img {
    height: 65px
}

#header-logandsign {
    float: right;
    margin: 15px 0 0 0
}

#header-logandsign a {
    margin: 0 0 0 20px;
    padding: 10px 0 10px 20px
}

#userProfileImage {
    border-radius: 50%
}

.header-footer-a {
    color: #fff
}
/* 
a:hover {
    text-decoration: underline
} */

.header-footer-a:hover {
    color: rgb(140 198 63)
}

.header-footer-a:active {
    color: #5d980e
}

.menu-trigger {
    display: none
}

#header-subject-nav {
    background: #000;
    padding: 8px 0;
    text-align: center
}

.subject-nav li {
    display: inline-block;
    margin: 0 0 0 56px
}

.subject-nav li:nth-child(1) {
    margin: 0
}

.subject-nav a {
    color: #fff;
    text-align: center
}

.subject-nav a:hover {
    color: #5d980e
}

article {
    padding: 100px 0;
    width: 100%;
    text-align: center
}

.article-main {
    padding: 200px 0;
    background: url(/themes/tailwind/study/images/background3mb2.jpg);
    background-repeat: repeat-y;
    background-position: center
}

.article-white {
    background: #fff
}

.article-blue {
    background: #29abe2
}

.app-button {
    width: 60%;
    height: auto;
    max-width: 350px;
    min-width: 150px
}

.app-button2 {
    width: 200px;
    margin-top: 10px;
    margin-bottom: 10px
}

.cta-button {
    background: #5d980e;
    color: #fff;
    border-radius: 6px;
    font-family: 'lato', sans-serif;
    font-size: 1.2em;
    text-decoration: none;
    border: none;
    padding: 10px 35px
}

.cta-button:hover {
    background: #75ad2b
}

.cta-button:active {
    background: #000
}

.roundedCorners {
    border-radius: inherit;
    -webkit-border-radius: inherit;
    -moz-border-radius: inherit
}

#mainContent {
    /* border: 1px solid #9798ab */
}

#mainTitle {
    top: inherit;
    height: inherit
}

#hp-h1-title-top {
    width: 700px;
    margin: 0 auto 30px auto
}

input[type="search"] {
    width: 500px;
    min-height: 50px;
    font-size: 1.2em;
    font-family: 'lato', sans-serif;
    font-style: italic;
    padding: 12px;
    border-radius: 5px;
    vertical-align: middle;
    border: 1px solid #bbb;
    outline: none;
    -webkit-appearance: none
}

input[type="text"]::-ms-clear {
    display: none;
    width: 0;
    height: 0
}

input[type="text"]::-ms-reveal {
    display: none;
    width: 0;
    height: 0
}

input[type="search"]::-webkit-search-decoration,
input[type="search"]::-webkit-search-cancel-button,
input[type="search"]::-webkit-search-results-button,
input[type="search"]::-webkit-search-results-decoration {
    display: none
}

.search-button {
    height: 49px;
    vertical-align: middle;
    background: url(/themes/tailwind/study/images/search-icon.png) no-repeat center, #5d980e;
    background-size: 25px 25px
}

.search-button:hover {
    background: url(/themes/tailwind/study/images/search-icon.png) no-repeat center, #75ad2b;
    background-size: 25px 25px
}

.search-button:active {
    background-color: #000
}

#hp-br-search-toggle {
    display: none
}

#hp-3-column-images li {
    display: inline-block
}

#hp-3-column-images li:nth-child(2) {
    margin: 0 130px
}

#hp-subject-grid li {
    background: #5d980e;
    display: inline-block
}

.gridLink:hover {
    color: #000
}

.gridLink:active {
    background-color: #000;
    color: #fff
}

#hp-subject-grid a {
    display: block;
    width: 230px;
    padding: 85px 0;
    font-size: 1.5em;
    color: #fff
}

#hp-subject-grid a:hover {
    color: #000
}

.hp-subject-grid-margin {
    margin: 0 0 23px 20px
}

.hp-subject-grid-margin:first-child {
    margin: 0 0 20px 0
}

.hp-subject-grid-margin:nth-child(5) {
    margin: 0 0 20px 0
}

#hp-subject-grid li:nth-child(2) {
    background: #29abe2
}

#hp-subject-grid li:nth-child(4) {
    background: #29abe2
}

#hp-subject-grid li:nth-child(5) {
    background: #29abe2
}

#hp-subject-grid li:nth-child(7) {
    background: #29abe2
}

#hp-subject-grid-mobile {
    display: none
}

#hp-connect-content {
    height: 200px;
    -webkit-transform-style: preserve-3d;
    -moz-transform-style: preserve-3d;
    transform-style: preserve-3d
}

#hp-connect-left {
    float: left;
    width: 490px;
    height: 120px;
    position: relative;
    top: 50%;
    transform: translateY(-50%)
}

.line-seperator-vertical {
    height: 200px;
    width: 1px;
    background: #000;
    float: left;
    margin: 0 0 0 25px
}

#hp-connect-right {
    float: right;
    width: 490px;
    position: relative;
    top: 50%;
    transform: translateY(-50%)
}

#hp-connect-right li {
    display: inline-block;
    margin: 0 25px
}

.catMenu {
    display: none
}

#topLogo {
    position: absolute
}

#header-upper {
    min-height: 64px
}

.smallbutton {
    background-color: #5d980e;
    color: #fff;
    border-color: transparent;
    box-shadow: none;
    cursor: pointer
}

.smallbutton:hover {
    background: #75ad2b
}

a.bigbutton {
    color: #fff
}

.bigbutton a {
    color: #fff
}

.bigbutton {
    background-color: #5d980e;
    color: #fff;
    border-color: transparent;
    box-shadow: none
}

.bigbutton:hover {
    background: #75ad2b
}

.bigbutton a {
    color: #fff
}

.infoMessage {
    /* background-color: #d6e2f7; */
    border: 1px solid #94949c;
    padding: 24px;
    line-height: 1.2em
}

#app-button-wrapper a {
    margin: 2%
}

@media screen and (max-width:825px) {
    #app-button-wrapper a {
        margin: 20px 0;
        display: block
    }
}

@media screen and (max-width:1024px) {
    .container {
        width: 800px
    }

    .subject-nav li {
        margin: 0 0 0 25px
    }

    #hp-3-column-images img {
        width: 150px
    }

    #hp-3-column-images li:nth-child(2) {
        margin: 0 50px
    }

    #game-icons {
        width: 750px
    }

    #hp-subject-grid a {
        width: 180px;
        padding: 60px 0;
        font-size: 1.2em
    }

    #hp-connect-left {
        width: 360px
    }

    #hp-connect-right {
        width: 360px
    }
}

@media screen and (max-width:860px) {
    .header-footer-a {
        font-size: 1.2em
    }

    .subject-nav li {
        margin: 0 0 8px 25px
    }

    .container {
        width: 90%
    }

    #hp-h1-title-top {
        font-size: 2.5em
    }

    h2 {
        font-size: 2em
    }

    h4 {
        font-size: 1.5em
    }

    #game-icons {
        width: 90%
    }

    #hp-subject-grid a {
        width: 150px;
        padding: 60px 0;
        font-size: 1em
    }

    #hp-connect-content {
        height: auto
    }

    #hp-connect-left {
        float: none;
        margin: 0 auto 50px auto;
        top: 0;
        transform: translateY(0);
        height: auto;
        width: 60%;
        position: inherit;
        border-bottom: 2px solid #000;
        padding: 0 0 100px 0
    }

    .line-seperator-vertical {
        display: none
    }

    #hp-connect-right {
        float: none;
        margin: auto;
        top: 0;
        transform: translateY(0);
        width: auto;
        height: auto;
        width: 80%
    }
}

@media screen and (max-width:760px) {
    .article-main {
        padding: 150px 0
    }

    input[type="search"] {
        width: 60%
    }

    #hp-h1-title-top {
        width: 90%;
        font-size: 2em
    }

    #hp-three-column-images li {
        margin: 0;
        display: block
    }

    #hp-3-column-images img {
        width: 100px
    }

    #hp-3-column-images li:nth-child(2) {
        margin: 0 40px
    }

    #hp-subject-grid {
        width: 400px;
        margin: auto
    }

    #hp-subject-grid li:nth-child(3) {
        background: #29abe2
    }

    #hp-subject-grid li:nth-child(4) {
        background: #5d980e
    }

    #hp-subject-grid li:nth-child(5) {
        background: #5d980e
    }

    #hp-subject-grid li:nth-child(6) {
        background: #29abe2
    }

    #hp-subject-grid a {
        width: 180px;
        padding: 70px 0;
        font-size: 1em
    }

    .hp-subject-grid-margin {
        margin: 0 0 23px 20px
    }

    .hp-subject-grid-margin:first-child {
        margin: 0 0 20px 0
    }

    .hp-subject-grid-margin:nth-child(3) {
        margin: 0 0 20px 0
    }

    .hp-subject-grid-margin:nth-child(5) {
        margin: 0 0 20px 0
    }

    .hp-subject-grid-margin:nth-child(7) {
        margin: 0 0 20px 0
    }
}

@media screen and (max-width:720px) {
    h4 {
        font-size: 1.2em
    }
}

@media screen and (max-width:600px) {
    .subject-nav {
        display: none
    }

    .subject-nav ul {
        margin-top: 10px
    }

    .subject-nav li {
        display: list-item;
        margin: 0;
        width: 100%;
        border-bottom: 2px solid #333
    }

    .subject-nav li:last-child {
        border-bottom: none
    }

    .subject-nav li:hover {
        background: #222
    }

    .subject-nav a {
        display: list-item;
        margin: 0;
        padding: 10px 0
    }

    .menu-trigger {
        display: inherit;
        color: #fff;
        font-size: 1.2em;
        padding-bottom: 5px
    }

    .menu-trigger:hover {
        color: #5d980e
    }

    .nav-expanded {
        display: block
    }

    #hp-3-column-images li {
        display: list-item;
        margin: 0 0 20px 0
    }

    #hp-3-column-images li:nth-child(2) {
        margin: 0 0 20px 0
    }

    #hp-3-column-images li:nth-child(3) {
        margin: 0
    }

    #hp-3-column-images img {
        width: 30%
    }

    h4 {
        font-size: 1.2em
    }
}

@media screen and (max-width:440px) {
    .container {
        width: 87%
    }

    .bottom-margin-100 {
        margin-bottom: 50px
    }

    .article-main {
        padding: 100px 0
    }

    #header-upper {
        min-height: 47px
    }

    #header-upper img {
        height: 45px
    }

    #header-logandsign {
        margin: 5px 0 0 0
    }

    #header-logandsign a {
        margin: 0 0 0 10px;
        padding: 10px 0 10px 10px;
        font-size: 1em
    }

    input[type="search"] {
        width: 90%;
        margin: 0 0 20px 0
    }

    #hp-br-search-toggle {
        display: inherit
    }

    #hp-subject-grid {
        width: 90%;
        margin: auto
    }

    #hp-subject-grid a {
        width: 150px;
        padding: 60px 0;
        font-size: 1em
    }

    .hp-subject-grid-margin {
        margin: 0 0 10px 10px
    }

    .hp-subject-grid-margin:first-child {
        margin: 0 0 10px 0
    }

    .hp-subject-grid-margin:nth-child(3) {
        margin: 0 0 10px 0
    }

    .hp-subject-grid-margin:nth-child(5) {
        margin: 0 0 10px 0
    }

    .hp-subject-grid-margin:nth-child(7) {
        margin: 0 0 10px 0
    }

    #hp-connect-right li {
        display: inline-block;
        margin: 0 10px
    }
}

@media screen and (max-width:420px) {
    #hp-subject-grid a {
        width: 130px;
        padding: 50px 0;
        font-size: .9em
    }

    article {
        padding: 50px 0
    }
}

@media screen and (max-width:370px) {
    #hp-subject-grid a {
        width: 110px;
        padding: 40px 0;
        font-size: .7em
    }
}

@media screen and (max-width:315px) {
    #header-signup {
        border-left: inherit
    }

    #header-logandsign {
        margin-top: 0;
        max-width: 100px;
        text-align: right;
        line-height: 23px;
        position: relative;
        z-index: 2
    }
}

@media screen and (max-width:800px) {
    #header-signup {
        display: none
    }
}

#header-search {
    position: relative;
    top: 10px
}

#header-search:hover {
    text-decoration: unset;
    filter: invert(42%) sepia(10%) saturate(2605%) hue-rotate(42deg) brightness(120%) contrast(90%)
}

#header-search img {
    height: 27px
}

#searchBox {
    top: 28px;
    bottom: unset;
    height: 90px;
    text-align: left;
    overflow: hidden
}

#searchBox input {
    width: 222px;
    font-size: 1.5em;
    padding: 3px;
    min-height: unset;
    font-style: unset;
    margin-right: 10px;
    margin-bottom: 0
}

#searchHelp {
    margin-top: 30px;
    color: #9e9e9e
}

@media (prefers-color-scheme:dark) {
    #mainContent {
        border: unset
    }

    .infoMessage {
        background-color: #1e2838
    }

    h6 {
        color: gray
    }

    .bigbutton {
        color: #000;
        text-shadow: unset
    }
}

a.bigbutton {
    color: #000
}

input [type="text"] {
    background-color: #484848;
    color: #fafafa
}

/* latin-ext */
@font-face {
    font-family: 'Lato';
    font-style: italic;
    font-weight: 400;
    src: url(https://fonts.gstatic.com/s/lato/v17/S6u8w4BMUTPHjxsAUi-qNiXg7eU0.woff2) format('woff2');
    unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB, U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
    font-display: swap
}


@font-face {
    font-family: "Roboto";
    font-style: normal;
    font-weight: 400;
    src: url(https://fonts.gstatic.com/s/roboto/v20/KFOmCnqEu92Fr1Mu72xKKTU1Kvnz.woff2) format("woff2");
    unicode-range: U+0460-052F, U+1C80-1C88, U+20B4, U+2DE0-2DFF,
        U+A640-A69F, U+FE2E-FE2F;
    font-display: swap;
}

@font-face {
    font-family: "Roboto";
    font-style: normal;
    font-weight: 400;
    src: url(https://fonts.gstatic.com/s/roboto/v20/KFOmCnqEu92Fr1Mu5mxKKTU1Kvnz.woff2) format("woff2");
    unicode-range: U+0400-045F, U+0490-0491, U+04B0-04B1, U+2116;
    font-display: swap;
}

@font-face {
    font-family: "Roboto";
    font-style: normal;
    font-weight: 400;
    src: url(https://fonts.gstatic.com/s/roboto/v20/KFOmCnqEu92Fr1Mu7mxKKTU1Kvnz.woff2) format("woff2");
    unicode-range: U+1F00-1FFF;
    font-display: swap;
}

@font-face {
    font-family: "Roboto";
    font-style: normal;
    font-weight: 400;
    src: url(https://fonts.gstatic.com/s/roboto/v20/KFOmCnqEu92Fr1Mu4WxKKTU1Kvnz.woff2) format("woff2");
    unicode-range: U+0370-03FF;
    font-display: swap;
}

@font-face {
    font-family: "Roboto";
    font-style: normal;
    font-weight: 400;
    src: url(https://fonts.gstatic.com/s/roboto/v20/KFOmCnqEu92Fr1Mu7WxKKTU1Kvnz.woff2) format("woff2");
    unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169,
        U+01A0-01A1, U+01AF-01B0, U+1EA0-1EF9, U+20AB;
    font-display: swap;
}

@font-face {
    font-family: "Roboto";
    font-style: normal;
    font-weight: 400;
    src: url(https://fonts.gstatic.com/s/roboto/v20/KFOmCnqEu92Fr1Mu7GxKKTU1Kvnz.woff2) format("woff2");
    unicode-range: U+0100-024F, U+0259, U+1E00-1EFF, U+2020, U+20A0-20AB,
        U+20AD-20CF, U+2113, U+2C60-2C7F, U+A720-A7FF;
    font-display: swap;
}

@font-face {
    font-family: "Roboto";
    font-style: normal;
    font-weight: 400;
    src: url(https://fonts.gstatic.com/s/roboto/v20/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2) format("woff2");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6,
        U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2122, U+2191, U+2193,
        U+2212, U+2215, U+FEFF, U+FFFD;
    font-display: swap;
}


#visibleTable {
    margin: 20px;
    margin-top: 40px;
}

.prettyTable {
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 20px;
    text-align: left;
    border-width: 1px;
    border-top-right-radius: 8px;
    border-top-left-radius: 8px;
    border-radius: 10px;
    border-collapse: separate !important;
    background: #1f1f1f;
    box-shadow: 0 3px 5px #7d7b7a;
    font-size: 0.8em;
}

.prettyTable td {
    margin: 0;
    padding: 4px;
    padding: 12px;
}

.prettyTable tr:nth-child(even) {
    background: #fff;
}

.prettyTable tr:nth-child(2n + 3) {
    background: #ebecec;
}

.prettyTable th {
    margin: 0;
    padding: 4px;
    font-weight: bold;
    text-align: left;
    border-style: solid;
    color: #e6e6e6;
    text-transform: uppercase;
    padding: 12px;
}

#theTable {
    margin-top: 20px;
}

.highlightedText {
    background-color: #ffa;
    color: #000;
}

.unhighlightedText {
    background-color: transparent;
    color: #000;
}

.fcSide0 {
    background-color: #fff;
}

.fcSide1 {
    /* background-color: #eee; */
    background-color: #fff;
}

.fcSide2 {
    /* background-color: #fdd; */
    background-color: #fff;
}

.fcSide3 {
    /* background-color: #dfd; */
    background-color: #fff;
}

.fcSide4 {
    /* background-color: #ddf; */
    background-color: #fff;
}

.fcSide5 {
    /* background-color: #c99; */
    background-color: #fff;
}

.fcSide6 {
    /* background-color: #9e9; */
    background-color: #fff;
}

.fcSide7 {
    /* background-color: #99e; */
    background-color: #fff;
}

.fcSide8 {
    /* background-color: #66c; */
    background-color: #fff;
}

.fcSide9 {
    /* background-color: #c66; */
    background-color: #fff;
}

#flashcardsPage {
    position: relative;
    display: block;
    height: 80vh;
    width: 100vw;
    max-width: 1000px;
    margin: 0 auto;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -o-user-select: none;
    user-select: none;
}

.cardStyle {
    color: #000;
    width: 100%;
    height: 100%;
    box-shadow: 0 0 7px #919191;
    -webkit-box-shadow: 0 0 7px #919191;
    margin-left: auto;
    margin-right: auto;
    z-index: 4;
    overflow: hidden;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    word-break: break-word;
}

#animateCard {
    position: absolute;
}

#currentCard {
    position: relative;
    font-size: 100pt;
    -webkit-tap-highlight-color: transparent;
}

#currentCard:active {
    box-shadow: 0 0 9px #919191;
    -webkit-box-shadow: 0 0 9px #919191;
}

.fcOuter {
    height: 76%;
    overflow-y: auto;
    display: flex;
    width: 100%;
}

.fcInner {
    margin: auto;
    padding: 0 10px;
    /* font-size: 50% !important; */
}

#optionsCard {
    display: none;
    position: absolute;
    text-align: left;
    line-height: 35px;
    height: 400px;
    z-index: 999;
}

.cardTitle {
    font-size: 24%;
    color: #ccc;
    font-weight: normal;
    height: 6%;
    padding: 0;
    margin: 0;
    position: absolute;
    top: 5px;
}

#clickToFlip {
    font-size: 14pt;
    font-style: italic;
    position: absolute;
    bottom: 19px;
    right: 35px;
    padding: 5px;
    font-weight: 100;
}
#clickToFlip::first-letter {
    text-transform: uppercase;
}

.linedCard {
    /* background: url(/themes/tailwind/study/images/lined-image-tall.png); */
}

.linedCardSmall {
    /* background: url(/themes/tailwind/study/images/lined-background25-tall.png); */
}

#correctCards:hover {
    box-shadow: 0 0 7px #0c0c0c;
    -webkit-box-shadow: 0 0 7px #0c0c0c;
}

#incorrectCards:hover {
    box-shadow: 0 0 7px #0c0c0c;
    -webkit-box-shadow: 0 0 7px #0c0c0c;
}

#remainingCards:hover {
    box-shadow: 0 0 7px #0c0c0c;
    -webkit-box-shadow: 0 0 7px #0c0c0c;
}

#fc_currentCardWrapper {
    width: 100%;
    position: relative;
    top: 2%;
    height: 56vh;
    max-height: 56vh;
    /* margin: 0 auto; */
    display: table;
    max-width: 830px;
}

.fc_action:hover {
    text-decoration: underline;
}

@media screen and (max-width: 737px) {
    #fc_currentCardWrapper {
        max-width: 95%;
        margin: 0 auto;
    }
}

#fc_currentCardInnerWrapper {
    height: 56vh;
}

#fc_helpArea {
    /* width: 100px; */
    position: absolute;
    /* top: 60px; */
    right: 0;
    z-index: 1;
}

@media screen and (max-width: 850px) {
    #fc_helpArea {
        width: unset;
        height: unset;
        position: unset;
        top: unset;
        right: 0;
        text-align: right;
    }

    .cmdButton {
        display: inline;
        margin-left: 20px;
        margin-bottom: unset;
    }
}

.cmdButton {
    padding: 3px;
    margin-bottom: 20px;
    cursor: pointer;
}

.cmdButton:hover {
    text-decoration: underline;
}

#fc_boxes {
    width: 100%;
    position: absolute;
    left: 0;
    /* bottom: 16%; */
    overflow: hidden;
    padding-bottom: 0;
    margin-top: 20px;
    height: 22%;
    color: #fff;
    display: flex;
}

.fc_boxWrapper {
    width: 30%;
    margin-left: 2.4%;
    height: 100%;
    float: left;
    bottom: 0;
    margin-top: 6px;
    position: relative;
}

.fc_box {
    height: 50%;
    top: 50%;
    width: 100%;
    margin: 0 auto;
    position: absolute;
    z-index: 10;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.26);
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    font-weight: 500;
}

.fc_pile {
    height: 90%;
    width: 85%;
    margin: 0 auto;
    position: relative;
}

.fc_cardCount {
    font-size: 1.2em;
    text-transform: capitalize;
    padding: 0 0.5em;
    font-weight: bold;
}

@media screen and (max-width: 560px) {
    .fc_cardCount {
        font-size: 1.1em;
        font-weight: normal;
    }
}

@media screen and (max-width: 520px) {
    .fc_cardCount {
        font-size: 1em;
    }
}

@media screen and (max-width: 475px) {
    .fc_cardCount {
        font-size: 0.9em;
    }
}

#incorrectBox {
    background-color: #e59f9f;
    color: #000;
}

#remainingBox {
    background-color: #bfe5f5;
    color: #000;
}

#correctBox {
    background-color: #ceeda5;
    color: #000;
}

#correctBox:hover {
    background-color: #609c0f;
    color: #fff;
    font-weight: 800;
}

#incorrectBox:hover {
    background-color: #d42424;
    color: #fff;
    font-weight: 800;
}

#remainingBox:hover {
    background-color: #1688b9;
    color: #fff;
    font-weight: 800;
}

#commandArea {
    /* position: absolute; */
    bottom: 7%;
    width: 100%;
}

#timerLine {
    /* position: absolute; */
    bottom: 0%;
    width: 100%;
    height: 3%;
}

.fc_action {
    width: 30%;
    margin-left: 2.4%;
    height: 100%;
    float: left;
    bottom: 0;
    position: relative;
    cursor: pointer;
}

#timerArea {
    float: right;
    padding: 3px 12px;
}

#pause {
    float: right;
    /* margin-right: 22px; */
}

#optionsArea {
    display: none;
}

.action {
    font-size: 10pt;
    font-family: "Arial", sans-serif;
    z-index: 1;
    cursor: pointer;
    color: rgba(25, 20, 165, 0.57);
}

.action:hover {
    text-decoration: underline;
}

#flashcardHelp p {
    margin-bottom: 10px;
}

#flashcardHelp {
    display: none;
    text-align: left;
    padding: 10px;
}

#langSelect {
    margin-top: 11px;
    display: unset;
}

#langSelectLabel {
    margin: 40px;
}

#langSelectArea label {
    width: 120px;
    display: block;
    float: left;
    text-align: right;
    padding-right: 10px;
}

#langSelectArea select {}

#speedBarArea {
    /* opacity: 0.2; */
    position: relative;
    height: 40px;
    display: none;
}

#speedBarArea:hover {
    opacity: 0.999;
}

#speedBar {
    height: 6px; /* Tăng chiều cao để dễ nhìn hơn */
    width: 150px;
    background: linear-gradient(90deg, #2196F3, #21CBF3); /* Gradient từ xanh đậm sang xanh nhạt */
    position: absolute;
    margin-left: 34px;

    /* Đường viền hiện đại */
    border: 3px solid rgba(0, 0, 0, 0.5); /* Đường viền ngoài với màu mờ */
    border-radius: 20px; /* Bo tròn toàn bộ góc */
    
    /* Hiệu ứng đổ bóng */
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3), 
                inset 0 2px 4px rgba(255, 255, 255, 0.2); 
}

#speedMarker {
    height: 15px;
    width: 1px;
    background-color: red;
    position: absolute;
    top: 4px;
    left: 62px;
    margin-left: 34px;
}

#delayDescription {
    height: 20px;
    color: #000;
    position: absolute;
    top: -6px;
    left: 203px;
    width: 100px;
    font-size: 13px;
    text-align: left;
    color: #666;
}

#closeOptions {
    display: block;
    margin: 35px auto;
}

#clickBoxHelps {
    display: none;
    position: absolute;
    width: 100%;
    left: 0;
    bottom: 16%;
    top: 55%;
}

.clickBoxHelp {
    margin-top: 105px;
    text-align: center;
    width: 30%;
    margin-left: 2.4%;
    font-style: italic;
    float: left;
    font-size: 1.1em;
    background: url(/themes/tailwind/study/images/downarrowYellow.png);
    background-repeat: no-repeat;
    height: 56%;
    background-position-x: center;
    background-size: contain;
}

.clickBoxHelp span {
    background-color: #ffa;
    box-shadow: 0 14px 20px 0 #ffffc9;
}

.ck-content {
   box-shadow: unset !important;
}

#cardEditor {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-height: 500px;
    width: 80%;
    max-width: 800px;
    right: 0;
    margin: auto;
    /* bottom: 29.4%; */
    display: none;
    background-color: #ffffff;
    z-index: 9999999999;
    overflow: auto;
    overflow-x: hidden;
    padding: 40px;
    border-radius: 15px;
    /* border: 6px solid #ccc; */
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
}

#cardEditor label {
    margin-top: 20px;
    margin-bottom: 10px;
    width: 100%;
    display: block;
    font-size: 1.2em;
    /* text-align: left;
    padding-left: 33px; */
}

#cardEditor textarea {
    width: 90%;
    height: 129px;
    margin-bottom: 10px;
}

#cardEditorSaveButton {
    display: none;
    position: absolute;
    top: 83%;
    right: 0;
    left: 0;
    margin: auto;
    width: 120px;
    background-color: #4399e1;
    z-index: 9999999999;
    padding:15px;
    color: #ffffff;
    font-weight: bold;
    /* padding: 5px 10px; */
    border: 6px solid #ccc;
    border-radius: 21px;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
    cursor: pointer;
}

#updateForm {
    /* margin-top: 20px; */
}

#readCardButton {
    margin-top: 10px;
    width: 48px;
    height: 48px;
    background-image: url(/themes/tailwind/study/images/ssimages3.png);
    position: absolute;
    top: 0;
    right: 0;
    background-repeat: no-repeat;
    background-position-x: -7px;
    background-position-y: -528px;
    opacity: 0.5;
}

#readCardButton:hover {
    opacity: 1;
}

@media (prefers-color-scheme: dark) {
    .fcSide0 {
        background-color: #000;
    }

    .fcSide1 {
        background-color: #272727;
    }

    .fcSide2 {
        background-color: #404040;
    }

    .fcSide3 {
        background-color: #333;
    }

    .fcSide4 {
        background-color: #033;
    }

    .fcSide5 {
        background-color: #303;
    }

    .fcSide6 {
        background-color: #330;
    }

    .fcSide7 {
        background-color: #633;
    }

    .fcSide8 {
        background-color: #363;
    }

    .fcSide9 {
        background-color: #663;
    }

    .linedCard {
        background-image: unset;
    }

    .linedCardSmall {
        background-image: unset;
    }

    .cardStyle {
        color: unset;
        box-shadow: unset;
        -webkit-box-shadow: unset;
    }

    #currentCard:active {
        box-shadow: unset;
        -webkit-box-shadow: unset;
    }

    .clickBoxHelp {
        opacity: 0.5;
    }

    .clickBoxHelp span {
        background-color: #2b2b20;
        color: #fff;
        box-shadow: unset;
    }

    .prettyTable tr:nth-child(even) {
        background: #3a3a3a;
    }

    .prettyTable tr:nth-child(2n + 3) {
        background: #303030;
    }

    #incorrectBox {
        background-color: #4a3c3b;
        color: #fff;
    }

    #remainingBox {
        background-color: #535e64;
        color: #fff;
    }

    #correctBox {
        background-color: #525b46;
        color: #fff;
    }

    #xincorrectBox:hover {
        background-color: #892523;
        color: #fff;
    }

    #incorrectBox:hover {
        background-color: #6c2423;
        color: #fff;
    }

    #remainingBox:hover {
        background-color: #216281;
        color: #fff;
    }

    #correctBox:hover {
        background-color: #466a1c;
        color: #fff;
    }

    #readCardButton {
        background-position-y: -564px;
    }

    .highlightedText {
        background-color: #999958;
        color: #000;
    }

    .unhighlightedText {
        background-color: transparent;
        color: #ccc;
    }

    #cardEditor {
        background-color: #435c88;
    }

    #cardEditorSaveButton {
        background-color: #039e60;
        color: #000;
    }
}

@media (min-width: 640px) {
    .sm\:grid-cols-4 {
        grid-template-columns: repeat(4, minmax(0, 1fr)) !important;
    }
}