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