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