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