/* page layout */
body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #202020;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 10px;
}

.nav_btn {
    display: inline-block;
    padding: 10px 10px;
    background: #444444;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    margin: 3px 0px;
}

/* responsive container */
.embed-container {
    width: 100%;
    overflow-x: auto;
    background: #505050;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    box-sizing: border-box;
}

/* make iframe fit container */
.embed-container iframe {
    width: 100%;
    min-width: 640px;
    overflow-x: auto;
    height: 70vh; /* scale with screen height */
    border: none;
    display: block;
}

.base_container{
    width: 100%;
    overflow-x: auto;
    background: #505050;
    color: azure;
    text-shadow: #202020;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    box-sizing: border-box;
}