datamad2017/_sass/partials/_rockstar-speakers.scss

$rockstar-image-size: 140px;
$small-rockstar-image-size: 120px;

.rockstar-speakers {
    .name {
        font-size: 26px;
        line-height: 1.1;
        margin: 10px 0 2px;
        @media (max-width: 767px) {
            font-size: 20px;
        }
    }
    .sub {
        font-size: $base-font-size * 1.4;
        margin: 0 0 15px;
        color: $link-color;
        @media (max-width: 767px) {
            font-size: 16px;
        }
    }
}
.rockstar-speaker {
    padding-bottom: 13px;
}
.rockstar-speaker-img {
    width: $rockstar-image-size;
    height: $rockstar-image-size;
    margin: 0 auto;
    @media (max-width: 767px) {
        width: $small-rockstar-image-size;
        height: $small-rockstar-image-size;
    }
}