.container {
    margin: 0 auto;
    padding: 20px;
    max-width: 1200px;
}

.header {
    background-color: #4CAF50;
    color: white;
    padding: 15px;
    text-align: center;
}

.navbar {
    overflow: hidden;
    background-color: #333;
}

.navbar a {
    float: left;
    display: block;
    color: white;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}

.navbar a:hover {
    background-color: #ddd;
    color: black;
}

.footer {
    background-color: #333;
    color: white;
    padding: 10px;
    text-align: center;
    position: fixed;
    bottom: 0;
    width: 100%;
}

.button {
    background-color: #4CAF50;
    border: none;
    color: white;
    padding: 15px 32px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    cursor: pointer;
}