body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    color: #333;
    margin:  0;
    padding: 0;
}

header {
    background-color: #4CAF50;
    color: white;
    padding: 20px;
    text-align: center;
}

nav ul {
    list-style-type: none;
    padding: 0;
}

nav ul li {
    display: inline;
    margin: 0 15px;
}

nav ul li a {
    color: white;
    text-decoration: none;
}

h1, h2 {
    margin: 10px 0;
}

main {
    padding: 20px;
}

section {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
    padding: 15px;
}

.button {
    background-color: #4CAF50;
    color: white;
    padding: 10px 15px;
    border: none;
    border-radius: 5px;
    text-decoration: none;
    display: inline-block;
    margin-top: 10px;
}

.button:hover {
    background-color: #45a049;
}

footer {
    text-align: center;
    padding: 10px;
    background-color: #4CAF50;
    color: white;
    position: relative;
    bottom: 0;
    width: 100%;
}