Can’t I Get Standard Size for Facebook Embeded Video Iframe

I m Using Oceanwp Theme Maria Template On My WordPress Website I Using A Custom Plugin to Embed Video Of Facebook & YouTube

Here Is the Code Of Plugin I m using to Embed video of FB & YouTube but Videos Of Facebook are being displayed In different irregular sizes and videos of YouTube are being Displayed in Standard Size for both desktop & mobile Version

// Check which platform's video URL is found

if (!empty($facebook_matches)) {
// Facebook embed logic
$video_code = $facebook_matches[1];
$embed_code = '<iframe src="https://www.facebook.com/plugins/video.php?height=500&href=https%3A%2F%2Fwww.facebook.com%2Fmusichd.net%2Fvideos%2F' . esc_html($video_code) . '%2F&show_text=false&width=600" width="600" height="500" style="border:none;overflow:hidden" scrolling="no" frameborder="0" allowfullscreen="true" allow="autoplay; clipboard-write; encrypted-media; picture-in-picture; web-share"></iframe>'; } 
elseif (!empty($youtube_matches)) {
        // YouTube embed logic
        $video_code = $youtube_matches[1];
$embed_code = '<iframe width="600" height="600" src="https://www.youtube.com/embed/' . esc_html($video_code) . '" frameborder="0" allowfullscreen></iframe>';
    }
Here

This Might not be Theme Related Issue but iframe Is being created of same size still videos of Facebook are of different sizes leaving a blank between frame and next content below it

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