Element block pseudo-class :active generated with border-radius display block background overflow hidden z-index auto position static border 0px rgba(0,0,0,1) solid height auto line-height 1 cursor default float none margin 0px text-shadow 1px 1px 1px rgba(0,0,0,0.2) font-weight normal transition padding 20px box-sizing content-box transform font-size 16px width 160px box-shadow 1px 1px 1px rgba(0,0,0,0.3)