body {
    background: #e0f7fa;
    color: #00796b;
    font-family: 'Arial', sans-serif;
    margin: 0;
}

header {
    background-color: #004d40;
    text-align: center;
    padding: 20px;
}

header h1 {
    color: #e0f7fa;
}

a {
    color: #004d40;
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: #00796b;
}

button {
    background-color: #00796b;
    border: none;
    color: #e0f7fa;
    padding: 10px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    transition-duration: 0.3s;
    cursor: pointer;
}

button:hover {
    background-color: #004d40;
}

footer {
    background-color: #004d40;
    color: #e0f7fa;
    text-align: center;
    padding: 10px;
    position: fixed;
    left: 0;
    bottom: 0;
    width: 100%;
}