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