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