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