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