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POBrowser-specific behavior with %-sized floats. Reasons and solutions?
 

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  1. POBrowser-specific behavior with %-sized floats. Reasons and solutions?
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    <p>I have a series of quadratic divs in a floating environment. Their width is set to 19.5% of the parent element with a margin of .25%. Their 1:1 aspect ratio is ensured by scaling a quadratic image to 100% of the floating div's width:</p> <pre><code>div.item { display: block; position: relative; float: left; width: 19.5%; margin: .25%; } div.item img { display: block; left: 0; bottom: 0; width: 100%; } </code></pre> <p>Now what I get is rows with five floating divs each, spanning the whole width of the parent div.</p> <p>What I would like to do is increase the size of the very first float to cover the same area as 2x2 of the other floats, setting its width to 2*19.5% + 2*.25% = 39.5%.</p> <p>Having done that, testing in two browsers, chromium and firefox, both on Linux. I get different results.</p> <p>Chromium renders the case as expected, one big image with two rows of three divs each on its right side, followed by rows with five divs each.</p> <p>Firefox however displays three rows with only three divs to the right of the big one before having five-item rows. The two items below the big one are effectively missing, just as if the height of it was a little too big (not visibly though). Setting the size of the big one to 39.49% works but while the difference is probably not visible in most cases, it's a pretty dirty hack.</p> <p>Have a look at the testing site here: <a href="http://www.schattensaiten.net/sm62/live" rel="nofollow">http://www.schattensaiten.net/sm62/live</a></p> <p>Any ideas what could be the reason for firefox' behavior and how to get around this problem?</p> <p>EDIT: I just finally found a firefox window-size where it does look correct, so it probably has something to do with rounding errors when scaling the images by percentage. I have so far not found a case where it was not working in Chrome, so Chrome seems to be more forgiving about that. Still, I'd be highly interested in a working solution that does not force me to give up my approach of the site dynamically adjusting to use the full browser size. I hate fixed-width layouts. I want to present my images as large as I can on any given screen.</p>
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    1. CODefinitely rounding errors. Breaks in Chrome for Mac @ 1583px width.
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    2. COThank you @Pavlo, good to know. Maybe it's best then to abandon floating and rework the layout using absolute positions.
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