test-app/app/static/style.css

body {
    font-family: Arial, sans-serif;
    margin: 20px;
}

h1 {
    color: #333;
}

ul {
    list-style-type: none;
    padding: 0;
}

li {
    margin: 5px 0;
}

form {
    margin-bottom: 20px;
}