Element block pseudo-element :before generated with width auto cursor default border-radius font-size 16px overflow visible display block transition transform z-index auto text-shadow height auto line-height 1 border 1px rgba(0,0,0,1) solid font-weight normal box-shadow 4px 4px 7px rgba(0,0,0,0.2) box-sizing content-box padding 0px position static background margin 0px float none