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