body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}

header {
    background-color: #d00;
    color: #fff;
    padding: 10px;
    text-align: center;
}

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

nav ul li {
    display: inline;
    margin-right: 20px;
}

main {
    padding: 20px;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 10px;
}

form {
    max-width: 600px;
    margin: 20px auto;
    padding: 20px;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

label {
    display: block;
    margin-bottom: 8px;
}

input,
select,
textarea {
    width: 100%;
    padding: 10px;
    margin-bottom: 16px;
    box-sizing: border-box;
}

input[type="submit"] {
    background-color: #d00;
    color: #fff;
    cursor: pointer;
    border: none;
    padding: 12px;
    font-size: 16px;
    border-radius: 4px;
}

input[type="submit"]:hover {
    background-color: #b00;
}