Element block pseudo-class :active generated with padding 18px line-height 0 display block box-sizing content-box cursor default width 420px margin 0px position relative font-weight normal font-size 16px box-shadow 1px 1px 1px rgba(0,0,0,0.3) transition text-shadow 1px 1px 1px rgba(0,0,0,0.2) border-radius z-index auto background height 0% float none overflow hidden border 0px rgba(0,0,0,1) solid transform