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