Element block pseudo-class :active generated with border-radius background box-shadow 1px 1px 1px rgba(0,0,0,0.4) overflow hidden width auto transform height auto font-weight normal position static z-index auto float none box-sizing content-box line-height 1 font-size 18px text-shadow display block cursor default opacity 1.00 margin 1em border 0px rgba(255,255,255,0.5) solid transition padding 1em