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