body {
    font-family: Arial, sans-serif;
    background-color: #f0faff;
    margin: 0;
    padding: 0;
}

header, footer {
    background-color: #0077cc;
    color: white;
    text-align: center;
    padding: 15px 0;
}

nav a {
    margin: 0 15px;
    color: white;
    text-decoration: none;
}

.container {
    padding: 20px;
    max-width: 800px;
    margin: auto;
    background: white;
    margin-top: 20px;
    border-radius: 8px;
}

input, textarea {
    width: 100%;
    padding: 8px;
    margin: 6px 0;
    box-sizing: border-box;
}

button {
    background-color: #0077cc;
    color: white;
    border: none;
    padding: 10px 15px;
    cursor: pointer;
}