body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f4;
    color: #333;
}
header {
    background: linear-gradient(to right, #7cb342, #1b5e20);
    color: white;
    padding: 10px 20px;
    display: flex;
    align-items: center;
}
.logo {
    height: 50px;
    margin-right: 20px;
}
nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
}
nav ul li {
    margin-right: 15px;
}
nav ul li a {
    color: white;
    text-decoration: none;
    font-weight: bold;
}
section.content {
    padding: 20px;
    text-align: center;
}
footer {
    background-color: #1b5e20;
    color: white;
    text-align: center;
    padding: 10px 0;
    margin-top: 20px;
}