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