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