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