Your correct the like box is to wide.
<iframe src="//www.facebook.com/plugins/like.php?href=http%3A%2F%2Fstagecraftfilm.com%2F&send=false&layout=button_count&width=450&show_faces=false&action=like&colorscheme=light&font&height=21" scrolling="no" frameborder="0" style="border:none; overflow:hidden; width:450px; height:21px;" allowTransparency="true"></iframe>
About 260 should work fine. or shift the whole box to the left about 200 px.
It's easy to overlook something you're not looking for.
This is a site I built for my work.(RSD)
http://esmansgreenhouse.com
This is a site I built for use in my job.(HTML Editor)
https://pestlogbook.com
This is my personal site used for testing and as an easy way to share photos.(RLM imported to RSD)
https://ericrohloff.com