code {
    white-space: pre-wrap;
}

.sponsors {
    vertical-align: middle;
    margin-bottom: 15px;
}

.sponsors img {
    margin: 10px 15px 0px 15px;
    filter: url("data:image/svg+xml;utf8,<svg xmlns=\'http://www.w3.org/2000/svg\'><filter id=\'grayscale\'><feColorMatrix type=\'matrix\' values=\'0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0.3333 0.3333 0.3333 0 0 0 0 0 1 0\'/></filter></svg>#grayscale"); /* Firefox 3.5+ */
    filter: gray;
    -webkit-filter: grayscale(100%);
}

.sponsors img:hover {
    filter: none;
    -webkit-filter: grayscale(0%);
}