#downloadbutton{float:left;margin-left:0px;margin-top:10px;margin-bottom:20px;}.button2{width:570px;height:64px;/* Notice that the height is not the height of the whole sprite, but the height of one single button */display:block;background-image:url(images/downloadbutton.png);/*path to the sprite*/background-position:top;/* the background position (in combination with the height!) makes it possible that only the top of the whole sprite will be visible */}.button2:hover{width:570px;background-position:bottom;height:64px;background-image:url(images/downloadbutton.png) no repeat;}.vk{float:right;}.bypostauthor{background-color:#dbddbc!important;color:black;}.breadcrumb{margin-top:-20px;margin-bottom:10px;}