h1{text-align:center}.add-todo-wrapper{margin:auto;width:max-content;max-width:90vw;display:flex;flex-direction:column;align-items:center;gap:1rem}ul{padding:1rem;display:flex;flex-direction:column;align-items:center;max-width:90vw}.checkbox-wrapper{background:none;padding:0;border:none;display:flex;margin-right:2rem;cursor:pointer}.checkbox-wrapper input[type=checkbox]{pointer-events:none;margin:0;height:1.2rem;width:1.2rem}li{display:flex;align-items:center;width:100%;justify-content:space-between;max-width:30rem;margin:2rem}.line-through{text-decoration:line-through}.invalid{outline:1px solid red;color:red}.error-msg{color:red;background-color:#ff00001a;padding:.5rem 1rem}