.banner{
    height: 420px;
    width: 100%;
}
.courseinfo .wrap .card{
    text-align: center;
    padding: 15px;
    border: 1px solid #e6e6e6;
    border-radius: 8px;
    margin: 15px;
}
.courseinfo .wrap .card:hover{
    -moz-box-shadow:2px 2px 5px #d2e2ff; 
    -webkit-box-shadow:2px 2px 5px #d2e2ff; 
    box-shadow:2px 2px 5px #d2e2ff;
}
.courseinfo .wrap .card img{
    width: 100%;
    height: 280px;
}
.courseinfo .wrap .card .name{
    font-size: 20px;
    color: #333;
    font-weight: 500;
    line-height: 50px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.courseinfo .wrap  .card .desc{
    font-size: 14px;
    color: #666;
    text-align:left;
    line-height: 25px;
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp:3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
}