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