/*html {
    font-size: 62.5%;*/ /* tức 10px = 1rem */
/*}*/

a {
    text-decoration: none;
}

b, optgroup, strong {
    font-weight: 700;
}

ol, ul {
    padding-left: 0;
}

body {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

[class*="col-xs-"],
[class*="col-sm-"],
[class*="col-md-"],
[class*="col-lg-"],
[class*="col-xl-"] {
    position: relative;
    min-height: 1px;
    padding-left: 15px;
    padding-right: 15px;
}

.btn-group-vertical > .btn-group:after, .btn-group-vertical > .btn-group:before, .btn-toolbar:after, .btn-toolbar:before, .clearfix:after, .clearfix:before, .container-fluid:after, .container-fluid:before, .container:after, .container:before, .dl-horizontal dd:after, .dl-horizontal dd:before, .form-horizontal .form-group:after, .form-horizontal .form-group:before, .modal-footer:after, .modal-footer:before, .modal-header:after, .modal-header:before, .nav:after, .nav:before, .navbar-collapse:after, .navbar-collapse:before, .navbar-header:after, .navbar-header:before, .navbar:after, .navbar:before, .pager:after, .pager:before, .panel-body:after, .panel-body:before, .row:after, .row:before {
 display: table;
 content: " ";
}

.h1, .h2, .h3, h1, h2, h3 {
 margin-top: 20px;
 margin-bottom: 10px;
}

.page-header-fixed .page-container {
    margin-top: 0;
}

.page-header-inner {
    width: 100%;
}

#box-iframe-screen {
    width: 100%;
}

.nav > li,
.nav > li > a {
    display: block;
    position: relative;
}

.nav-tabs > li > a {
    margin-right: 2px;
    line-height: 1.42857;
    border: 1px solid transparent;
    border-radius: 4px 4px 0 0;
}

.tab-khoahoc .nav-tabs > li.nav-item:hover {
    width: 33.33% !important;
}

.tab-chitiet-baigiang .nav-tabs > li.nav-item:hover {
    width: auto !important;
}

.navbar-nav > li {
    float: left;
}

.form-group {
    margin-bottom: 15px;
}

.btn {
    display: inline-block;
    margin-bottom: 0;
    font-weight: 400;
    text-align: center;
    vertical-align: middle;
    touch-action: manipulation;
    cursor: pointer;
    border: 1px solid transparent;
    white-space: nowrap;
    padding: 6px 12px;
    font-size: 14px;
    line-height: 1.42857;
    border-radius: 4px;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

.btn-hide-search, .btn-hide-search:hover {
    border-color: #8dacbf !important;
}

.btn-group-sm > .btn, .btn-sm {
    padding: 5px 10px;
    font-size: 12px;
    line-height: 1.5;
    border-radius: 3px;
}

.input-group-sm > .form-control, .input-group-sm > .input-group-addon, .input-group-sm > .input-group-btn > .btn, .input-sm {
    font-size: 12px;
}

.panel-body {
    padding: 15px;
}

.form-control {
    font-size: 14px;
}

@media (min-width: 992px) {
    [class*="col-md-"] {
        float: left;
    }
}

.form-group {
    margin-bottom: 1rem;
}

.nav > li > a, .navbar-nav > li > a {
    padding: 10px 15px;
}

@media (min-width: 768px) {
    .navbar-nav {
        float: left;
        margin: 0;
    }
}

@media (min-width: 768px) {
    .navbar-nav > li > a {
        padding-top: 15px;
        padding-bottom: 15px;
    }
}

.navbar-nav .nav-link.active, .navbar-nav .nav-link.show, .nav-link:focus, .nav-link:hover {
    color: #C9DFF5;
}

.navbar-nav .dropdown-menu {
    position: absolute;
    margin: 0;
}

@media (min-width: 992px) {
    .collapse {
        display: block !important;
        visibility: visible;
    }

    .navbar-nav {
        flex-direction: unset;
    }
}

@media (max-width: 480px) {
    .page-header.navbar .top-menu {
        width: 100%;
        float: right;
    }

    .page-header-fixed .page-container {
        margin-top: 50px !important;
    }
}

.pull-left {
    float: left !important;
}

.pull-right {
    float: right !important;
}

@media (max-width: 991px) {
    .page-sidebar.navbar-collapse.show {
        position: relative;
        overflow: hidden !important;
        overflow-y: auto !important;
        display: block !important;
    }
}

ascvn-close close_tab.fa-close {
    font-size: 12px;
    padding-left: 10px;
}

.nav-tabs > li > a.active, .nav-tabs > li > a.active:focus, .nav-tabs > li > a.active:hover {
    color: #000;
    background-color: #fff;
    border: 1px solid #ddd;
    border-bottom-color: transparent;
    cursor: default;
}

.dropdown-menu {
    --bs-dropdown-font-size: unset;
}

.dropdown-menu-custom-right {
    left: inherit !important;
    margin-top: 10px !important;
}

.btn .caret, .btn-group > .btn:first-child {
    margin-left: 0;
}

.caret {
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 2px;
    vertical-align: middle;
    border-top: 4px dashed;
    border-top: 4px solid\9;
    border-right: 4px solid transparent;
    border-left: 4px solid transparent;
}

/***/
.btn-info {
    --bs-btn-color: #fff;
    --bs-btn-bg: #659be0;
    --bs-btn-border-color: #508edb;
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #3a80d7;
    --bs-btn-hover-border-color: #286ec5;
    --bs-btn-focus-shadow-rgb: 11, 172, 204;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #3a80d7;
    --bs-btn-active-border-color: #3a80d7;
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: #659be0;
    --bs-btn-disabled-border-color: #659be0;
}

.btn-warning {
    --bs-btn-color: #fff;
    --bs-btn-bg: #F1C40F;
    --bs-btn-border-color: #dab10d;
    --bs-btn-hover-color: #fff;
    --bs-btn-hover-bg: #c29d0b;
    --bs-btn-hover-border-color: #a08209;
    --bs-btn-focus-shadow-rgb: 217, 164, 6;
    --bs-btn-active-color: #fff;
    --bs-btn-active-bg: #c29d0b;
    --bs-btn-active-border-color: #a08209;
    --bs-btn-active-shadow: inset 0 3px 5px rgba(0, 0, 0, 0.125);
    --bs-btn-disabled-color: #fff;
    --bs-btn-disabled-bg: #c29d0b;
    --bs-btn-disabled-border-color: #a08209;
}

ul.nav.nav.nav-tabs.tabs-left {
    display: block;
}

.tabs-left.nav-tabs > li > a.active{
    border: none;
}

.nav-tabs > li > a.active, .nav-tabs > li > a.active:focus, .nav-tabs > li > a.active:hover {
    color: #000;
    background-color: #fff;
    border: 1px solid #ddd;
    border-right-color: transparent;
    cursor: default;
}

.nav > li > a:focus, .nav > li > a:hover {
    text-decoration: none;
    background-color: #eee;
}

.icon-angle {
    margin-left: auto;
}

.open-panel-left {
    margin-left: -12px !important;
}