.prev dt {background:#f1f1f1 url(../img/sprite-portfolio.jpg) left top no-repeat;}
.prev.outabout dt {background-position:-120px top;} .prev.barton dt {background-position:-240px top;} .prev.ryan dt {background-position:-360px top;} .prev.puzzle dt {background-position:-480px top;}
.prev.oculus dt {background-position:left -94px;} .prev.material dt {background-position:-120px -94px;} .prev.montana dt {background-position:-240px -94px;} .prev.tom dt {background-position:-360px -94px;}
.prev.sarah dt {background-position:-480px -94px;} .prev.glgapp dt {background-position:left -188px;} .prev.glgmobile dt {background-position:-120px -188px;} .prev.house dt {background-position:-240px -188px;}
.prev.congo dt {background-position:-360px -188px;}
.preview-out {display:block; text-indent:-900em; text-align:left; width:600px; height:480px; background:url(../img/portfolio/out.jpg) center center no-repeat;}
.preview-barton {display:block; text-indent:-900em; text-align:left; width:600px; height:362px; background:url(../img/portfolio/barton.jpg) center center no-repeat;}
.preview-val {display:block; text-indent:-900em; text-align:left; width:600px; height:370px; background:url(../img/portfolio/too.jpg) center center no-repeat;}