.essay-question-2022 {
    border-bottom: 1px solid #cccccc;
    background: #FFF7EF;
    padding: 10px; box-sizing: border-box; width: 100%; font-size: 14px;
}
.essay-question-link {
    color: #1270E3;
}

#box-content ul {
    list-style: disc;
    padding-left: 20px;
}

.Choose-fast ul {
    list-style: none !important;
    padding: 0 !important;
}

#article_content_detail_table {
    max-width: 100vw !important;
    width: 100vw !important;
    display: inline-block;
}

#article_content_detail_table > tbody > tr > td {
    max-width: 100vw !important;
    width: 100vw !important;
    display: inline-block;
    box-sizing: border-box;
}

#article_content_detail_table table{
    width: 95vw !important;
    max-width: 95vw !important;
}

#article_content_detail_table u {
    display: inline-block;
    text-decoration: underline;
}

.fix-width-lghtable {
    width: 96vw;
    max-width: 96vw;
    overflow-x: auto;
    box-sizing: border-box;
}

/* tungld edit 2/5 */
.block-vocabulary {
    box-sizing: border-box;
    width: 100%;
    border: 1px solid #328ee4;
    background: #fff8bd;
    margin: 10px 0;
    padding: 10px;
    border-radius: 6px;
}
.block-vocabulary p{
    line-height: 24px;
}
.block-vocabulary > strong, .block-vocabulary > b{
    width: 36px;
    vertical-align: top;
    display: inline-block;
    padding-top: 2px;
}
#arrow-bottom {
    height: 25px;
    width: 85px;
    /* position: fixed; */
    position: absolute;
    top: 44px;
    left: 50%;
    margin-left: -42px;
    text-align: center;
    z-index: 999999;
    padding-top: 1px;

    display: block;
    background: rgba(177, 212, 245, 0.47);
    border-radius: 0px 0px 9px 9px;
}
.Choose-fast{
    max-height: unset;
}
.speaker-img {
    height: 30px;
}
.Choose-fast1 {
    display: none;
    transition: top 0.3s;
    height: auto;
    background: #f0f8ff;
    /* overflow: auto; */
    width: 100vw;
    max-width: 100vw;
    padding: 12px 0;
}
/* tungld edit 2/5 */
.Choose-fast1 ul li {
    float: left;
    position: relative;
    /*width: 20%;*/
    text-align: center;
    padding-bottom: 4px;
    margin-right: 10px;
}
.Choose-fast1 ul li a {
    width: auto !important;
    border: 1px solid #2888e1;
    border-radius: 50px;
    color: #2888e1;
    font-weight: 700;
    display: block;
    padding: 6px 20px;
}
@media (max-width: 767px){
    .Choose-fast1 ul li {
        /*width: 25%;*/
        width: auto;
    }
}
@media screen and (max-width: 480px){
    .Choose-fast1 ul li {
        /*width: 33.333%;*/
        width: auto;
    }
}
@media screen and (max-width: 360px){
    .Choose-fast1 ul li {
        /* width: 33%;*/
        width: auto;
    }
}

#box-content {
    overflow-x: auto;
    padding-left: 5px;
    padding-right: 5px;

}

/* edit group article */
.clrClass:after {
    content: '';
    display: block;
    clear: both;
    visibility: visible;
}
.Choose-fast > ul > li {
    margin-bottom: 10px;
    float: none;
    display: inline-block;
}

.Choose-fast > ul > li.sub-article-group {
    display: block;
}
.Choose-fast ul li {
    padding-bottom: 0 !important;
}
.Choose-fast ul li ul {
    display: none;
}
.Choose-fast ul li:hover ul {
    display: inline-block;
}
.Choose-fast ul li.sub-article-group.active ul {
    display: inline-block;
}
.Choose-fast ul li.sub-article-group li{
    display: inline-block;
    float: none;
}

li.sub-article-group.active {
    background-color: #f0f8ff;
    display: block;
    clear: both;
}

li.sub-article-group.active + li {
    clear: both;
}

li.sub-article-group > a {
    border-radius: 50px;
    border: 1px solid #2986de;
    background-color: white;
    color: #2986de;
}

li.no-sub-article-group > a {
    border-radius: 50px;
    border: 1px solid #2986de;
    background-color: white;
    color: #2888e1;
}

li.sub-article-group.active > a {
    border-radius: 50px;
    border: 1px solid #2986de;
    background-color: white !important;
    color: #2888e1 !important;
}

li.sub-article-group.active ul a {
    background-color: #2986de;
    color: #2888e1;
    border: none;
}

.Choose-fast li.sub-article-group ul a {
    background-color: #f0f8ff;
    color: #2986de !important;
    border: none;
    font-weight: bold !important;
}

.Choose-fast li.sub-article-group ul a:hover {
    background-color: #f0f8ff !important;
    color: #FFFFFF;
    border-radius: 0 !important;
    border: none !important;
}

li.sub-article-group ul a:hover > span {
    border-bottom: 1px solid #2986de !important;
}

.Choose-fast li ul a.active > span {
    border-bottom: 1px solid #2986de !important;
}

/*bài viết có nhiều cách giải*/
.explanation-title1 {
    font-size: 18px; text-align: center;
}
.explanation-content1 {
    display: none;
}
.section-explanation {
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}
.section-explanation-tab {
    border: 1px dashed #1270E3;
    margin: 10px 0;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
}
.explanation-tab-title-bottom {
    display: none;
}
.explanation-title2 {
    font-size: 18px; text-align: center;
    display: inline-block; background-color: #f1f3f4; color: #1270E3; padding: 6px;
}
.explanation-content2 {
    display: none;
    padding: 10px;
}

#article_content_detail_table h2 {
    font-size: 20px;
    font-family: OpenSansBold, sans-serif;
    line-height: 1.7;
}
#article_content_detail_table h3 {
    font-size: 18px;
    font-family: OpenSansBold, sans-serif;
    line-height: 1.7;
}
#article_content_detail_table h4 {
    font-size: 16px;
    font-family: OpenSansBold, sans-serif;
    line-height: 1.7;
}


.toc-container {
    background-color: #f4f4f4; padding: 10px; margin: 15px 0; width: 90%; max-width: 100%; box-sizing: border-box; border:1px solid #aaa;
}
.toc-container > p {
    font-size: 14px; font-weight: bold;
}
.toc-container > p > span {
    margin-left: 6px;
}
.toc-container #toc-control {
    float: right;
}
.toc-container .tocItem {
    font-size: 14px; font-weight: bold; color: rgb(38,38,38);
}
.toc-inner-h3 {
    padding-left: 20px;
}
.toc-inner-h4 {
    padding-left: 40px;
}

#box-content {
    text-align: justify;
}
.lghtf-view {
    background: #f4f2ec;
    display: block;
    padding: 10px 20px;
    padding-left: 50px;
    width: calc(100% - 40px);
    max-width: 100%;
    margin-left: 20px;
    margin-right: 20px;
    position: relative;
}

.lghtf-view::after {
    position: absolute;
    top: calc(50% - 15px);
    left: 4px;
    content: '';
    display: block;
    width: 30px;
    height: 30px;
    background: url("../images/ico-false.png") no-repeat;
    background-size: contain;
}

.lghtf-view.lghtf-true::after {
    background: url("../images/ico-true.png") no-repeat;
    background-size: contain;
}