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Hey I just downloaded the perfect width template from this site and I found in the css for the #pagewrap div
width:expression(document.body.clientWidth < 782? "780px" : document.body.clientWidth > 1262? "1260px" : "auto");
I have never come across anything like in css what does it mean?
Thanks for your help?
EDIT: if you need a literal explanation of the code itself, it is stating:
if the body width is less than 782
then set the width to 780
else if the body width is greater than 1262
then set the width to 1260
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