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