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