Quote:
Originally Posted by Turtle91
Unless, of course, they wanted to differentiate between a p.first and a div.first or somesuch... 
You are absolutely correct that you shouldn't need to put units on a value of zero...zero anything is zero - and devices/apps (all of them??) know that.
I would also remove the extra white space and the trailing semi-colon to be ocd-minimalist:
Code:
.first{text-indent:0}
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I did leave in the semi-colon. Thanks for catching that.