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