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