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