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