.video { position: relative }

.video .glyphicon {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

.video .glyphicon-menu-left { left: -36px }
.video .glyphicon-menu-right { right: -36px }

.video {
    position: relative;
    padding: 0 10%;
}

@media (min-width: 768px) {
    .video {
        padding: 0;
    }
}