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