.gallery {
position: relative;
width: 100%;
margin: 0px 0px 20px;
}

.gallery ul {
list-style-type: none;
margin: 0px;
padding: 0px;
}

.gallery ul li {
position: relative;
width: 100px;
height: 100px;
float: left;
margin: 10px;
}

.gallery ul a {
display: block;
width: 100px;
height: 100px;
background-color: #ccc;
padding: 5px;
}

.gallery ul.gallery_75 li,
.gallery ul.gallery_75 a {
width: 75px !important;
height: 75px !important;
}

.gallery a img {
border: none;
}

.gallery a:hover {
background-color: #777;
}