body {
    margin: 0;
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
}

header {
    background-color: #3498db;
    color: white;
    padding: 1em;
    text-align: center;
}

.container {
    max-width: 960px;
    margin: auto;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

h2 {
    color: #2c3eb8;
}

p {
    line-height: 1.6;
}

button {
    background-color: #2c3eb8;
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    cursor: pointer;
}

button:hover {
    background-color: #1a257e;
}

footer {
    clear: both;
    margin-top: 2em;
    text-align: center;
    color: #777;
}