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