/* Расширение навигации в уроке - Шапка */
.lesson-header-block.row-section {
    background: 
        url(https://fs.getcourse.ru/fileservice/file/download/a/586882/sc/279/h/8b12a01baede38f02b3a9e76b7685a0f.png) no-repeat center,
        linear-gradient(60deg, #17C4EA 0%, #1B4C8F 100%) !important;
    background-size: cover;
    border: 0 !important;
    border-radius: 5px;
}

.lesson-header-block h2.lesson-title-value {
    margin: 0 auto;
    padding-bottom: 10px;
    
    font-weight: bold;
    font-size: 36px;
    color: #fff;
}

.lesson-description-value,
.lesson-navigation {
    color: #ffffff !important;
}

.lesson-header-block .lesson-navigation {
    margin-top: 20px;
    padding-bottom: 20px !important;
    
    border-top: 1px dashed #fff;
}

.lesson-header-block .lesson-navigation div.hidden-xs {
    display: none;
}

.lesson-header-block .lesson-navigation a {
    margin-bottom: 10px;
    padding: 4px 15px;
   
    color: #144BA7; 
    text-align: center;
    
    background: #ffffff;
    border-radius: 30px;
    transition: all .3s;
}
.lesson-header-block .lesson-navigation a:hover {
    color: #ffffff;
    text-decoration: none;
    
    background: #1ED6FF;
}

.lesson-header-block .lesson-navigation td:nth-child(1) a:before {
    content: "◄  ";
}

.lesson-header-block .lesson-navigation .text-right a:after {
    content: "  ►";
}

.lesson-header-block .lesson-navigation div.hidden-xs {
    margin: 10px;
    color: #ffffff;
}

@media (max-width:992px) {
    .lesson-navigation td:first-child,
    .lesson-navigation td:last-child {
        width: 35%;
    }
    
    .lesson-navigation td:nth-child(2) {
        width: 30%;
    }
}

@media (max-width:400px) {
    .lesson-navigation td:first-child,
    .lesson-navigation td:last-child {
        display: block;
        padding: 0 !important;
        width: 100%;
        
        text-align: center;
    }
    
    .lesson-navigation td a {
        display: block;
        margin: 0 auto;
        width: 200px;
    }
}