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