Element block pseudo-element :before generated with width 160px line-height 1 border-radius font-size 16px position static display block float none box-sizing content-box margin 0px transition height auto border 0px rgba(0,0,0,1) solid padding 15px overflow hidden box-shadow 1px 1px 1px rgba(0,0,0,0.3) transform z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) cursor default font-weight normal background