index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>todoList</title>
    <style>
        input{
            padding: 15px;
            border:1px solid #ccc;
            font-size: 24px;
            width:400px;
        }
        .todo-item{
            display:flex;
            align-items: center;
            height: 40px;
            border-bottom: 1px solid #ccc;
        }
        .todo-item .toggle{
            margin-right: 20px
        }
        .todo-item .title{
            font-size: 24px;
            color:#000;
        }
        .todo-item .title.finished{
            text-decoration: line-through;
            color:#ccc;
        }
        .todo-item .delete{
            margin-left: 20px;
            cursor: pointer;
        }
    </style>
</head>
<body>
<div id="root"></div>
</body>
<script src="dist/main.js"></script>
</html>