New! Internal Stylesheet. the grid The goal of this course is to provide an overview of Cascading Style Sheets (CSS). This code implements a CSS,.three { background: rgba(,,,); transition: background 1s ease-in; }.two,.four { background: rgba(,,,); }.circle:hover { background: rgba(,,,); /* lighter */ } less) are commonly used. CSS preprocessors (e.g. Apply scoping using the naming conventions Name Info Example Universal Any element * { fontpx Arial; } Type Any element of that type h1 { text- o