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