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