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While reading the CSS code of Twitter bootstrap, I noticed that some elements have a CSS rules with a * at the beginning. For example:
.row-fluid {
width: 100%;
*zoom: 1;
}
Why is this technique being used?
Ignore posts about
*being an “everything” selector, as it is, but that isn’t what it is in this case.Putting
*before an attribute allows you to target ie7 and below. This is an old hack that shouldn’t really be used as you can target ie7 and below in better ways.Quick explanation of how to target older IE versions. If you read to the bottom you will see he explains that it is better to use conditional comments than hacks, as they are after all, hacks.