![]() %s used here though applies to font size only and yields different results in every browser.Īfter setting the font size, we replace every absolute unit out side of the calc() with em (you can speed up this process using your text editor’s Find and Replace tool). We could also use an expression that adds or subtracts different units as well like (300px + 5vw) as long as we keep everything before the slash and 260 in parentheses. For our example we’ll choose a new width of 50vmin (for responsiveness) and divide it by the original width 260 (px dropped).Įnter fullscreen mode Exit fullscreen mode Just don’t add the unit to the original one because the divisor in calc() division must be a number. It shall divide a new width or height of the image by the original one. Once we’re satisfied with the code, let’s add a font size to the container using a calc() expression. teddy is our parent container at 260px × 330px, and we have left the %s under. Any selectors of child elements using absolute units must use the same type as that of the parent. They must use an absolute unit (px, pt, pc, in, cm, or mm) in order to maintain a constant side-to-side ratio. Here’s its HTML and CSS:īefore we start pulling off the trick, verify that the parent container has a defined width and height. For this demo, we’ll use the teddy bear I drew above. The first step is to draw everything like usual or grab an existing image. ![]() There are few browser-related situations where it malfunctions. I would like to share it with you, but please be advised, however, that it’s experimental only. We may have scale() of the transform property, but the space the image occupies won’t be adjusted along with the image if used.Īfter endless tinkering, I finally found a way that seemed to be less complicated than I thought. Moreover, it would save so much time if we could resize them manually like choosing a new width or height value for a certain element (in CSS that is) and using auto for the other dimension. Just like responsive elements, CSS images made responsive should gradually and proportionally increase or decrease in size if you resize the browser window. If responsive somewhat, you’ll find at least a few media queries in the code to define smaller or larger sizes. ![]() I haven’t found too many examples of responsive CSS images in the wild. Yet, I’ve always wondered if there was a way to make them resizable or responsive. I have been drawing some myself including this Longcat and radar animation. For plenty of examples, just do a search for the hashtag. These images usually consist of absolutely positioned elements formed using a variety of properties including border-radius, box-shadow, and sometimes clip-path. ![]() These Pens are vector images created using only HTML elements and CSS. Note: I originally published this article on on a site I shut down as part of a purge.Įvery once in a while in CodePen’s Popular or Picked section, you’ll come across a Pen name containing #dailycssimages. It’s 5:00 pm on Friday, you have to finish this page, but the images won’t fit the layout. No more black magic hacks - here are my five favorites techniques to handle image resizing. This situation has happened to me many times and I have learned from my mistakes. Sometimes, for some reasons, your images won’t fit the layout and you don’t want to wrap your head around this for hours. As a web developer, there is a high probability that you have encountered the two enemies of this article: images and deadlines.
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