I'm currently designing a website at www.50s.co and everything seems to be working fine in Chrome. However, when I check it in Firefox or IE, the background images appear to be sized differently. Even though the image sizes are supposed to be the same, it looks like some element(s) on the page are causing an issue. I have carefully reviewed the code but can't seem to find anything wrong.
My main goal is to make the website look consistent across different browsers like how it appears in Chrome.
I am specifically struggling with the image overlapping the blue border at the bottom of the Join Us page. It's a minor issue on other pages as well. What could be causing this problem and how can I resolve it?
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html>
... (code continues)
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