Element block pseudo-element :before generated with box-sizing content-box padding 0px overflow visible display block border 13px rgba(0,0,0,1) solid line-height normal float none position static outline none font-size 16px background text-shadow 1px 1px 2px rgba(255,0,0,1) width auto transform font-weight normal opacity 1 border-radius height auto margin 0px z-index auto cursor default transition box-shadow