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