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