:root{--todo-dark: #23272f;--todo-darker: #16181d;--todo-primary: #58c4dc;--todo-light: #f6f7f9;--todo-secondary-dark: #333a44;--todo-secondary: #353a46;--todo-secondary-light: #535967}html{scrollbar-width:thin;scrollbar-color:var(--todo-primary) var(--todo-darker)}body{margin:0;padding:0;box-sizing:border-box;background-color:var(--todo-dark);font-family:sans-serif;color:var(--todo-light);height:100vh}main{max-width:1080px;width:90%;margin:auto}