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