.teacher-img{
    height: 100%;
    width: 100%;
}
.img-container{
    height: 256px;
    width: auto;
    position: relative;
    background-position: center;
    overflow: hidden;
    background-repeat: no-repeat;
}
.teacher-div {
    align-content: center;
    font-size: 20px;
    padding-bottom: 20px;
    text-align:center;
}