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