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