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