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