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