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