Element block pseudo-class :active generated with background z-index auto transform line-height 1 text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 0px overflow hidden display block border 0px rgba(0,0,0,0) none border-radius padding 20px box-sizing content-box font-size 16px width 10% box-shadow 1px 1px 1px rgba(0,0,0,0.3) cursor default font-weight normal transition status height 100% position relative float none