.gallery { list-style: none; padding: 0; margin: 0; }
.gallery:after { clear: both; content: "."; display: block; height: 0; visibility: hidden; }

.gallery lione { float: left; width: 100%; margin: 1px; }
.gallery lione a { display: block; margin: 1px; }
.gallery lione img { display: block; width: 100%; height: 150px; }

.gallery litwo { float: left; width: 49.5%; margin: 1px;}
.gallery litwo a { display: block; margin: 1px; }
.gallery litwo img { display: block; width: 100%; height: auto; }

.gallery li { float: left; width: 33.33333333%; }
.gallery li a { display: block; margin: 1px; }
.gallery li img { display: block; width: 100%; height: auto; }