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