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