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