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