.teacher-list .item .pic {
height: 3.9rem;}
.teacher-list .item {
    width: 32.3%;
    margin-right: 1%;}
.teacher-list .item .pic {
    padding: 0 19%;}
@media (max-width: 768px) {
.teacher-list .item .pic {
    padding: 0 8%;}
.teacher-list .item .pic {
height: 6rem;}
}
@media (max-width: 540px) {
    .teacher-list .item {
        width: 48.5%;
        margin-right: 3%;}
}