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