@media (hover: hover) {
    .emo--rollover span.link a.aTag .modBackgroundContainer:before {
        content: '';
        display: block;
        width: 100%;
        height: 100%;
        background: #000;
        opacity: 0;
        position: absolute;
        top: 0;
        left: 0;
        transition: all 0.15s;
    }
    .emo--rollover span.link a.aTag:hover .modBackgroundContainer:before {
        opacity: 0.1;
    }
}