.tabs {
    display: flex;
    justify-content: center; 
    margin-bottom: 20px;
    background: none;
    border: none;
}
.tab {
    padding: 10px 20px;
    cursor: pointer;
    border-bottom: none;
    margin-right: 5px;
    transition: background-color 0.3s;
}
.tab.active {
    background-color: #4CAF50;
    color: white;
    font-weight: bold;
}
.tab:hover {
    background-color: #ddd;
}
/* Maintain aspect ratio for iframe */
.iframe-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 aspect ratio */
    height: 0;
    overflow: hidden;
    background-color: #f0f0f0;
}
.iframe-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}