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