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