Creating uniform, responsive space for multi-element components such as cards or calendar dates.Creating uniform, responsive space for interactive data visualizations or SVG animations.Creating intrinsic placeholder containers for images, videos, and embeds to prevent re-layout when the items load and take up space.Creating responsive iframes, where they are 100% of a parent's width, and the height should remain a specific viewport ratio.Some examples of where maintaining aspect ratio become important are: With the advent of responsive design, maintaining aspect ratio has been increasingly important for web developers, especially as image dimensions differ and element sizes shift based on available space. One is 634 x 951px while the other is 200 x 300px. The most common aspect ratios for photography are 4:3 and 3:2, while video, and more recent consumer cameras, tend to have a 16:9 aspect ratio. Aspect ratio #Īspect ratio is most commonly expressed as two integers and a colon in the dimensions of: width:height, or x:y. Now, there's a more straightforward way to do this with the new aspect-ratio property launching in Chromium 88, Firefox 87, and Safari Technology Preview 118. I would have liked to make the body-tag conditionnal, but it gets messy sometimes working with content management systems, so I never bothered.Summary: Maintaining a consistent width-to-height ratio, called an aspect ratio, is critical in responsive web design and for preventing cumulative layout shift. When revising stylesheets months or years later, I can quickly see where and what I fixed for which IE-version. In my CSS-files, I can now keep all rules together, which is a lot more comfortable when developing and testing. These spans get closed right before the /body. The way I work (and I'm not the only working this way):Īfter the body-tag, I include a couple of cc-spans with the respective IE-version as an ID. Fed up with hacking IE I rethought the way I used to target different IE-versions. I've dropped working with IE-hacks since early 2008: to me hacks are counter-productive and maintaining add-on css-files for IE with CC also isn’t very productive. Tags: css, css hacks, css3 ( Add Tag ) Bookmark This Page: * Opera all and (-webkit-min-device-pixel-ratio:10000), not all and (-webkit-min-device-pixel-ratio:0) It will only be a matter of time before Firefox supports this and this hack will then most likely apply to Firefox as well. Currently I feel this hack is the weakest of all the hacks I've listed simply because it's targeting ALL browsers that support -min-device-pixel-ratio that aren't -webkit. The Opera CSS hack works because of negation in CSS. * Safari screen and (-webkit-min-device-pixel-ratio:0) By using the -webkit prefix we can target Safari and only Safari. The Safari CSS hack works similar to the Firefox hack because it uses a Safari proprietary extension to CSS. I've found that by using proprietary extensions to CSS, as hacks, usually means the most surefire way to target individual browsers without having to worry about another browser possibly parsing the CSS. moz combined with the -document url-prefix() which by the way is used by Firefox Addon creators targets Firefox and Firefox alone. The second hack, which is quite clever target all versions of Firefox by using the proprietary extension -moz. The first hack targets only Firefox 1 and 2 by using the body:empty hack. It should also be noted that no other browser will recognize this hack. Note that the IE7 hack will only apply to IE7 because IE6 does not understand the > I wouldn't recommend using these hacks since conditional comments are really, really easy to use but if you want to keep all your CSS in one file here is an alternative. Targeting Internet Explorer With CSS Using Parser Hacks I'm not going to go into detail about this since it has been re-hashedĪ million times by other bloggers but here are two alternatives to parser CSS hacks:
There is a robust syntax that Microsoft has created to allow authors to do this. The easiest way to target IE is with conditional comments. Targeting Internet Explorer With CSS Using Conditional Comments This will let you know that the hack is working correctly To show that the hacks are working correctly I created 6 paragraphs with their specific browser/version identifier within them. Safe and easy method of serving CSS/HTML to only IE. Most standards favoring browsers (Firefox, Opera & Safari) have no method of targeting CSS to the specific browser while Internet Explorer, the buggiest browser, has a completely While I strongly advise using hacks at a minimum especially when it comes to CSS there is a time and a place for them, especially when you need a quick way to target a browser other
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