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