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