![]() ![]() This resizing issue is fixed in Chrome 34+ and Safari 7+. UPDATE: Don’t worry about this anymore and definitely don’t be forcing those repaints. I used jQuery and just fiddled with each elements (irrelevant, in this case) z-index value, which triggers the repaint. To fix this issue (allow resizing without page refresh) you need to cause a “repaint” on the element. The font does adjust on a fresh page load. Perhaps not a huge disaster as it’s pretty much just us design nerds that go around adjusting browser windows, but still. When the height or width of the viewport is changed, they are scaled accordingly. When the browser window is resized, the font doesn’t adjust itself according to the new viewport size. The support is there in Chrome 20+ / Safari 6+, but it fails in one rather significant way. Or here’s a GIF for a super simple header: Bugs! Here’s a video of a simple layout using vw units for the font-size.Ĭheck out the demo yourself (see browser support). 1vmax = 1vw or 1vh, whichever is larger.1vmin = 1vw or 1vh, whichever is smaller. ![]() Which is basically what we do anyway, right? I find you just need to tweak around with the values to get it how you want it. If the viewport is 40cm wide, 1vw = 0.4cm.įor use with font-size, I guess it’s one “letter” that takes on that size, but as we know, in non-mono-spaced fonts the width of a letter is rather arbitrary. “Viewport” = browser window size = window object. One unit on any of the three values is 1% of the viewport axis. Like your classic Trent Walton style blog post. They allow you to tightly couple the size relationship of, say, a typographic header and the content it goes with.These units allow you to get it feeling perfect and then have that experience scale to any size screen. I don’t want to kick a hornet’s nest, but let’s say its around 80 characters. There is a such thing as a comfortable line length for reading text on screens.It’s worth looking at our more recent post Simplified Fluid Typography for practical, clamped, viewport-based type sizing. There are many things you can do with viewport units, but let’s look at one in particular: typography. These can be useful for responsive design, that is, designing websites that look good across different screen sizes, taking advantage of the space available to them. One unit is 1% of one of the axes of the viewport. They are called viewport units, and there are a number of them that do slightly different (all useful) things. There are values in CSS that are for sizing things in relation to the viewport (the size of the browser window).
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