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