body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
}
header {
    background-color: #000;
    color: #fff;
    padding: 1em;
}
.logo {
    height: 50px;
}
nav ul {
    list-style: none;
    display: flex;
    gap: 1em;
}
nav a {
    color: white;
    text-decoration: none;
}
section {
    padding: 2em;
}
.pricing-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 1em;
}
.card {
    background-color: #f0f0f0;
    border-left: 5px solid orange;
    padding: 1em;
    flex: 1 1 200px;
}
footer {
    background-color: #333;
    color: white;
    text-align: center;
    padding: 1em;
}