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