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