Hi there,
As the error message indicates, there is no such thing as BORDERCOLOR in the official HTML specs.
Try this instead:
<table style="width:50%; border: 1px solid #FF0000;">
This draws a 1px solid border around the table.
Note that this doesn't give each cell a border, as the HTML border does.
This is just a simple example, but there are many more differences that you need to be aware of to create truly cross browser web sites. It's a bit too much to explain in a single post.
I suggest you get a good book about XHTML and CSS, for example:
Beginning Web Programming with HTML, XHTML, and CSS
HtH,
Imar
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Imar Spaanjaars
Everyone is unique, except for me.