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