.app-block{margin:0;padding:0}.app-block li{margin:0;padding:0}.app-item{list-style:none}.app-item a{background-image:url("/Images/apps.png");height:100px;display:block;filter:saturate(.5);-webkit-filter:saturate(.5)}.app-item a:hover{-webkit-filter:brightness(1.1) saturate(1);filter:brightness(1.1) saturate(1)}.app-item.app-acc a{height:79px}.app-playchess a{background-position:0 -79px}.app-livedb a{background-position:0 -179px}.app-cloud a{background-position:0 -279px}.app-video a{background-position:0 -379px}.app-training a{background-position:0 -479px}.app-openings a{background-position:0 -579px}.app-fritz a{background-position:0 -679px}.app-letscheck a{background-position:0 -779px}.app-news a{background-position:0 -879px}