#thumbs {
    text-align: center;
    padding: 40px 0;
}

#thumbs > span {
    width: 80px;
    display: inline-block;
    margin: 0 20px;
    position: relative;
    cursor: pointer;
    border:2px solid transparent;
    transition:border 0.8s;
    font-size:0;
}

#thumbs > span:hover {
    border:2px solid #ddd;
}

#thumbs img {
    width: 100%;
}

#thumbs .playvideo {
    position: absolute;
    background: transparent url(playvideo.png) no-repeat center center;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    opacity: 0.8;
    filter: alpha(opacity=40);
    text-align: center;
    color: white;
    font-size: 0.7em;
}