Create an Interface Using Grid CSS with Responsive Layout

Create-an-interface-using-grid-css-that-in-desktop-is-seperated-in-two-seperate-cols-with-the-first-one-having-a-pink-background-and-the-second-a-white-background.-The-first-col-has-two-vertical-blocks-and-the-second-one-has-one-big-vertical-block.-But-now-I-want-in-mobile-view-to-display-vertically-the-first-block-of-the-first-col-then-the-big-block-of-the-second-col-and-then-the-second-block-of-the-first-col.