mentors.css

#mentors{
    margin: 0 15px;
}

#mentors .col-400-2 img {
    width: 90%;
    max-width: 250px;
    margin: 0 auto;
    padding: 5px;
    border: 1px solid black;
}

#mentors .group_image{

}
h4 {
    margin: 15px 0 5px 0;
}

.vspacer{
    height: 50px;
}

#mentors ul {
    padding-left: 20px;
    margin-top: 5px;
    font-size: 15px;
}

#mentors li {
    font-size: 13px;
}

@media (min-width: 400px) {

    .col-400-2 {
        float: left;
        width: 50%;
    }
}

@media (min-width: 767px) {

    .col-400-2 {
        float: none;
        width: 100%;
    }

    #mentors ul {
        padding-left: 40px;
    }

    #mentors li {
        font-size: 15px;
    }

    #mentors .col-400-2 img {
        margin: 0 auto;
        width: 250px;
    }
}

@media (min-width: 992px) {
    #mentors .col-400-2 img {
        margin: 0 auto;
        width: 300px;
    }
}