body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
}

header {
    background: #333;
    color: #fff;
    padding: 10px 0;
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
}

nav ul li {
    margin: 0 15px;
}

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

main {
    padding: 20px;
    max-width: 800px;
    margin: 0 auto;
}

h1, h2 {
    color: #ff4081;
}

.pricing {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.plan {
    border: 1px solid #ddd;
    padding: 10px;
    margin: 10px;
    width: 200px;
    text-align: center;
}

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