Element block pseudo-element :before generated with z-index auto line-height 1 border-radius padding 20px border 0px rgba(0,0,0,1) solid display block float none width 160px height auto transform background position static font-size 16px font-weight normal overflow hidden box-shadow 0px 0px 2px rgba(0,0,0,0.5) text-shadow 1px 1px 1px rgba(0,0,0,0.2) transition margin 0px cursor default box-sizing content-box