.course-img {
    border-radius: 10px;
    display: block;
    height: 180px;
    width: 100%;
    max-width:350px;
}

.btn-layout {
    background-color: #FEE6E6;
    border-color: #FEE6E6;
    border-radius: 28px;
    color: #F64437;
    margin-left: 5px;
    font-size: 14px;
    font-weight: bold;
    outline: none;
    box-shadow: none !important;
}

.btn-layout:hover,
.btn-layout:focus{
    background-color: #F76862;
    border-color: #F76862;
    color: #FFFFFF;
    outline: none;
    box-shadow: none !important;
}

.btn-layout_default {
    background-color: #E0EDFE;
    border-color: #E0EDFE;
    border-radius: 28px;
    color: #0666DF;
    font-size: 14px;
    font-weight: bold;
    outline: none;
    box-shadow: none !important;
}

.btn-layout_default:hover,
.btn-layout_default:focus {
    background-color: #0666DF;
    border-color: #0666DF;
    font-weight: bold;
    color: #FFFFFF;
    outline: none;
    box-shadow: none !important;
}


.btn-layout_red {
    background-color: #F64437;
    border-color: #F64437;
    border-radius: 28px;
    color: #FFFFFF;
    font-size: 14px;
    font-weight: bold;
    outline: none;
    box-shadow: none !important;
}

.btn-layout_red:hover,
.btn-layout_red:focus {
    background-color: #F64437;
    border-color: #F64437;
    font-weight: bold;
    color: #FFFFFF;
    outline: none;
    box-shadow: none !important;
    opacity: 0.8;
}

.btn-course-layout {
    background-color: #0666DF;
    border-color: transparent;
    border-radius: 28px;
    color: #ffffff;
    font-size: 14px;
    font-weight: bold;
    outline: none;
    box-shadow: none !important;
}

.btn-course-layout:hover,
.btn-course-layout:focus,
.btn-course-layout:active.focus,
.btn-course-layout.active.focus,
.btn-course-layout:active,
.btn-course-layout:active:focus,
.btn-course-layout.active:focus,
.btn-course-layout:visited{
    background-color: #0666DF;
    border-color: transparent;
    opacity: 0.8;
    color: #FFFFFF;
    outline: none;
    box-shadow: none !important;
}
.btn-warn-layout {
    background-color: #CF332A;
    border-color: #CF332A;
    border-radius: 28px;
    color: #ffffff;
    font-size: 14px;
    font-weight: bold;
    outline: none;
    box-shadow: none !important;
}

.btn-warn-layout:hover,
.btn-warn-layout:focus,
.btn-warn-layout:active.focus,
.btn-warn-layout.active.focus,
.btn-warn-layout:active,
.btn-warn-layout:active:focus,
.btn-warn-layout.active:focus,
.btn-warn-layout:visited{
    background-color: #CF332A;
    border-color: #CF332A;
    opacity: 0.9;
    color: #FFFFFF;
    border-radius: 28px;
    outline: none;
    box-shadow: none !important;
}

.title-text {
    color: #0566df;
    font-size: 24px;
    font-weight: 600;
    padding-bottom: 5px;
}

.nav-layout > li {
    list-style: none;
    display: block;
    display: inline-block;
}

.nav-layout > li > a {
    text-decoration: none;
    color: #4882e3;
    font-size: 16px;
}

.nav-layout > .active > a {
    color: #0667DF;
    font-weight: 600;
}

.icon-layout-right {
    background: url('../img/dec.png') no-repeat;
    background-size: 15px 12px;
    height: 12px;
    width: 15px;
    display: inline-block;
    transform: rotate(270deg);
    -ms-transform: rotate(270deg) translatez(0); /* IE 9 */
    -moz-transform: rotate(270deg) translatez(0); /* Firefox */
    -webkit-transform: rotate(270deg) translatez(0); /* Safari 和 Chrome */
    -o-transform: rotate(270deg) translatez(0); /* Opera */
}

.icon-layout-down {
    background: url('../img/dec.png') no-repeat;
    background-size: 15px 12px;
    height: 12px;
    width: 15px;
    display: inline-block;
}

.section-content {
    padding-top: 3.5rem;
}

.clear-col-margin {
    margin-left: 0px;
    margin-right: 0px;
    padding-left: 0px;
    padding-right: 0px;
}

.col-border-right {
    border-right: 1px solid #BEB7F9;
}

.article-img {
    height: 100%;
    width: 80%;
    text-align: center;
    padding: 23% 0px;
}

.article-tag {
    width: 100%;
}
.article-layout {
    padding: 0px 3%;
}

.lesson-div {
    margin-bottom: 30px;
}
.lesson-header {
    position: absolute;
    top: 0px;
    border-radius: 10px 10px 0px 0px;
    color: #ffffff;
    width: 100%;
}


.lesson-header__ul {
    position: relative;
    margin: 0;
    padding: 0;
    list-style: none;
}

.lesson-header__text {
    padding: 5px;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 10;
    word-break: break-all;
}

.lesson-header__back {
    border-radius: 10px 10px 0px 0px;
    width: 100%;
    background: #5A42D4;
    opacity: 0.6;
    z-index: 9;
}

.content-text {
    color: #323941;
    font-size: 14px;
    padding-bottom: 9px;
    display: inline-block;
}
#page-header {
    height: 60px;
}

@media screen and (max-width: 650px) {
    .model_button {
        padding: 3px 5px;
        max-width: 100%;
    }
    .model_button_org {
        padding: 3px 1px;
        max-width: 100%;
    }
    .model_height {
        height: 330px;
    }
    .panel-left-new {
        display: none;
    }

    .course-img {
        border-radius: 10px;
        display: block;
        width: 100%;
    }
    #page-container {
        background-repeat: no-repeat;
        background-size: 100% 385px;
        background-color: #F4F8F9;
    }
    .article-div {
        background-color: #ffffff;
        border-radius: 10px;
        padding: 20px 5px;
        margin-bottom: 30px;
        box-shadow: 0px 0px 10px #eaeef0;
        -webkit-box-shadow: #eaeef0 0px 0px 10px;
        -moz-box-shadow: #eaeef0 0px 0px 10px;
    }
}

@media screen and (min-width: 650px) {
    .model_button {
        padding: 7px 18px;
        max-width: 100%;
    }
    .model_button_org {
        padding: 3px 10px;
        max-width: 100%;
    }
    .model_height {
        height: 420px;
    }
    #page-container {
        background-image: url('../img/bg.png');
        background-repeat: no-repeat;
        background-size: 100% 385px;
        background-color: #F4F8F9;
    }
    .article-div {
        background-color: #ffffff;
        border-radius: 10px;
        padding: 20px 28px;
        margin-bottom: 30px;
        box-shadow: 0px 0px 10px #eaeef0;
        -webkit-box-shadow: #eaeef0 0px 0px 10px;
        -moz-box-shadow: #eaeef0 0px 0px 10px;
    }
}
.panel-left-new {
    background-color: #ffffff;
    position: fixed;
    top: 9.5rem;
    bottom: 60px;
    z-index: 5;
    overflow-y: auto;
    overflow-x: hidden;
    height: auto;
    max-height: 200px;
}
.col-table-header {

}
.col-table-row, .col-table-header  {
    padding: 15px 0px;
}

.col-table-row:hover {
    background: #e9e9e9;
}
.col-table-row:active {
    background: #e9e9e9;
    box-shadow: 0px 0px 10px #e9e9e9 inset;
}
.btn-large {
    padding: 9px 25px;
}
.btn-medium {
    padding: 5px 15px;
}
.btn-small {
    padding: 3px 10px;
}