Element block pseudo-element :before generated with border-radius font-size 16px z-index auto height auto width auto box-sizing content-box display block padding 0px transition position static margin 0px font-weight normal transform cursor default line-height 1 float none background overflow visible border 0px rgba(0,0,0,1) solid text-shadow box-shadow 5px 5px 8px rgba(0,0,0,0.4)