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