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