You need a better HTML/XML generator. GUI tools are your friend.
The only reason that page kinda works in some browsers is because they're very tolerant of ambiguous and broken code. The W3C markup validator finds 134 errors right away.
I couldn't do my link check, your robots.txt forbids it.
You should always check that your web page creator hasn't let you leave any errors in your HTML or CSS. After that, it's easy to test for actual compatibility with different browsers. There's a service that simulates being on different OS and browser combinations (so you don't have to buy a Mac).
It shouldn't work at all.
The only reason that page kinda works in some browsers is because they're very tolerant of ambiguous and broken code. The W3C markup validator finds 134 errors right away.
http://validator.w3.org/check?uri=http%3A%2F%2Fwww.dglenn.org%2Fdefs%2Finst.html+
Your CSS is full of problems also.
I couldn't do my link check, your robots.txt forbids it.
You should always check that your web page creator hasn't let you leave any errors in your HTML or CSS. After that, it's easy to test for actual compatibility with different browsers. There's a service that simulates being on different OS and browser combinations (so you don't have to buy a Mac).