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