body {
    font-family: Arial, sans-serif;
    margin: 20px;
    padding: 0;
}

.container {
    width: 100%;
    max-width: 400px;
    margin: auto;
}

h2, h3 {
    text-align: center;
}

button {
    display: block;
    width: 100%;
    padding: 10px;
    margin: 10px 0;
    background-color: #0078D4;
    color: white;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #005A9E;
}

input {
    width: 100%;
    padding: 8px;
    margin: 5px 0;
    border: 1px solid #ccc;
}