body {
    font-family: Arial, sans-serif;
    max-width: 600px;
    margin: 2em auto;
    background: #f9f9f9;
    padding: 2em;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

h1 {
    text-align: center;
}

form {
    display: flex;
    flex-direction: column;
    gap: 1em;
}

label {
    font-weight: bold;
}

input[type="text"],
input[type="email"],
input[type="url"] {
    width: 100%;
    padding: 0.5em;
}

button {
    padding: 0.5em 1em;
    background-color: #4285f4;
    color: #fff;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #3367d6;
}