DevInSantos/DevInSantos-events

.speaker-avatar {
    @include box-shadow(#AAA, 0, 0, 3px);
    @include inline-block;
    background-color: #FFF;
}

.speaker-avatar:hover {
    @include box-shadow(#333, 0, 0, 12px);
    opacity: 0.8;
}

.speaker-avatar,
.speaker-avatar img {
    width: 60px;
    height: 60px;
    @include border-radius(50%);
}

@media screen and (min-width:600px) {
    .speaker-avatar,
    .speaker-avatar img {
        width: 80px;
        height: 80px;
    }
}

@media screen and (min-width:800px) {
    .speaker-avatar,
    .speaker-avatar img {
        width: 100px;
        height: 100px;
    }
}