body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f4f4f9;
}

.tabs {
    display: flex;
    justify-content: center;
    background-color: #222;
    padding: 10px 0;
}

.tab {
    color: white;
    margin: 0 15px;
    padding: 10px 20px;
    cursor: pointer;
    border: 2px solid transparent;
}

.tab.active {
    border-bottom: 2px solid #f39c12;
}

.content {
    display: none;
    padding: 20px;
}

.content.active {
    display: block;
}

.game-list {
    list-style: none;
    padding: 0;
}

.game-list li {
    background-color: white;
    margin: 10px 0;
    padding: 10px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}