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