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