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