body {
    font-family: Arial, sans-serif;
    background-color: #f4f4f4;
    margin: 0;
    padding: 0;
}

.container {
    width: 80%;
    margin: 0 auto;
    background-color: white;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    margin-top: 20px;
}

h1, h3 {
    text-align: center;
    color: #333;
}

.nav-links {
    padding: 0;
    text-align: center;
}

.nav-links li {
    display: inline-block;
    margin: 0 15px;
}

.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: bold;
}

.order-form {
    margin-top: 20px;
}

.form-group {
    margin-bottom: 15px;
}

label {
    font-weight: bold;
    display: inline-block;
    margin-bottom: 5px;
}

input[type="text"], input[type="email"], input[type="tel"], textarea, select {
    width: 100%;
    padding: 10px;
    margin: 5px 0 15px 0;
    border: 1px solid #ccc;
    border-radius: 4px;
}

textarea {
    resize: vertical;
    height: 100px;
}

.submit-btn, .reset-btn {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    margin-top: 10px;
}

.submit-btn:hover, .reset-btn:hover {
    background-color: #45a049;
}

.submit-btn:active, .reset-btn:active {
    background-color: #3e8e41;
}