.curs div {
    color: red !important;
}
.catalog_title {
    background-color: #e1e1e1;
    padding: 4px 15px;
    border-bottom: 1px solid #9c9c9f;
    font-size: 15px;
    /* text-align: center; */
    height: 40px;
    line-height: 30px;
    color: black;
    width: 100%;
    margin: 0 auto;
}
.catalog_title i{
    color: #7601dd;
    font-size: 17px;
    margin-right: 10px;
}

.top-tab {
    padding: 6px 10px;
    display: flex;
    line-height: 30px;
    justify-content: space-between;
}

.top-tab .tab-text {
    font-size: 15px;
}

.tab-tab-active {
    font-size: 16px;
    font-weight: bold;
}
.course_pic img{
    height: 200px;
    width: 100%;
}