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