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

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 20px;
}

nav {
    background-color: #1a73e8;
    width: 100%;
    padding: 15px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

nav ul {
    list-style-type: none;
    display: flex;
    justify-content: center;
    padding: 0;
}

nav ul li {
    margin: 0 15px;
}

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

.plans {
    max-width: 1200px;
    width: 100%;
    padding: 20px;
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    margin-bottom: 20px;
}

.tabs {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

.tab {
    background-color: #f5f5f5;
    border: none;
    padding: 10px 20px;
    margin: 0 10px;
    border-radius: 5px;
    cursor: pointer;
}

.tab.active {
    background-color: #1a73e8;
    color: white;
}

.plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
}

.plan-card {
    background-color: white;
    padding: 20px;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.plan-card h3 {
    margin-top: 0;
    color: #333;
}

.plan-card p {
    font-size: 18px;
    font-weight: bold;
    color: #1a73e8;
}

.plan-card ul {
    list-style-type: none;
    padding: 0;
    margin: 20px 0;
}

.plan-card ul li {
    margin-bottom: 10px;
}

.subscribe-btn {
    background-color: #1a73e8;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
}

.subscribe-btn:hover {
    background-color: #1558b3;
}