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