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