body {
    font-family: 'Times New Roman', Times, serif; /* Clean and modern font */
    margin: 0;
    padding: 0;
    background-color: #f4f4f4; /* Light background color */
}

h1 {
    margin: 0; /* Remove default margin */
    font-size: 2.5em; /* Main heading size */
}

main {
    max-width: 600px; /* Max width for form */
    margin: 40px auto; /* Center the form */
    padding: 20px; /* Padding around form */
    background: white; /* White background for form */
    border-radius: 8px; /* Rounded corners */
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); /* Soft shadow */
}

form {
    display: flex; /* Flexbox for form layout */
    flex-direction: column; /* Column layout */
}

label {
    margin-bottom: 5px; /* Space below label */
    font-weight: bold; /* Bold labels */
}

input[type="text"],
input[type="email"],
input[type="tel"] {
    padding: 10px; /* Padding for inputs */
    margin-bottom: 15px; /* Space below inputs */
    border: 1px solid #ccc; /* Light gray border */
    border-radius: 4px; /* Rounded corners */
    font-size: 1em; /* Standard font size */
    transition: border-color 0.3s; /* Smooth border transition */
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus {
    border-color: #4CAF50; /* Change border color on focus */
    outline: none; /* Remove outline */
}

button {
    background-color: #4CAF50; /* Green background */
    color: white; /* White text */
    border: none; /* No border */
    padding: 12px 20px; /* Padding for button */
    border-radius: 5px; /* Rounded corners */
    cursor: pointer; /* Pointer cursor on hover */
    font-size: 1.1em; /* Larger font size */
    transition: background-color 0.3s; /* Smooth background transition */
}

button:hover {
    background-color: #45a049; /* Darker green on hover */
}