Aspect ratio

Hi guys! Why isn't this image resizing to the aspect ratio I'm asking for? the img tag at least changes the max-width, but I thought this had to be done on the parent, in this case the figure tag. https://codepen.io/amarlong/pen/PoBOMNL?editors=1100
19 Replies
b1mind
b1mind2y ago
it is 1 / 1 ? what are you trying to get? cause that is equal height/width
MarkBoots
MarkBoots2y ago
figure {
max-width: 300px;
}

figure > img {
width: 100%;
aspect-ratio: 1 / 1;
object-fit: cover;
}
figure {
max-width: 300px;
}

figure > img {
width: 100%;
aspect-ratio: 1 / 1;
object-fit: cover;
}
Å Marlon G
Å Marlon GOP2y ago
Yas, and so that is what I want. I thought that by setting a width and an aspect-ratio it would automatically calculate its height. Just like the .test div above. ... no change. Why does it work on the .test div is my follow up question then
MarkBoots
MarkBoots2y ago
because text can wrap, an image is an image if you want to set the aspect-ratio on the figure, then you can do
figure {
max-width: 300px;
aspect-ratio: 1 / 1
}

figure > img {
display: block;
width: 100%;
height: 100%;
object-fit: cover;
}
figure {
max-width: 300px;
aspect-ratio: 1 / 1
}

figure > img {
display: block;
width: 100%;
height: 100%;
object-fit: cover;
}
b1mind
b1mind2y ago
mmm is 1 / 1 != 1 ? I think maybe I misunderstand aspect ratio 😂
MarkBoots
MarkBoots2y ago
i like to do it myself as wel, i know 1 is enough, but it just is more clear, just like 16/9
b1mind
b1mind2y ago
ah ok but is it not saying equal height/width ?
MarkBoots
MarkBoots2y ago
1/1 is square yes
b1mind
b1mind2y ago
ooo I had not changed the figure >.>;; (ignore me, thought I was misunderstanding for asec)
Å Marlon G
Å Marlon GOP2y ago
Aha! Now it works! I think I understand it, but could you again explain why just putting a max-width and aspect-ratio on the figure doesn't work, but it does on the div? Yes, words can wrap, but still it seems weird ... I mean, shouldn't setting aspect-ratio on figure force it's child to size with it?
MarkBoots
MarkBoots2y ago
an image is not responsive by itself.. by setting width: 100%, it adapts to the container where it is in
Å Marlon G
Å Marlon GOP2y ago
Ah, I see. So an img should really never be left without a container if you want to control it's size ...
MarkBoots
MarkBoots2y ago
or you have to set a fixed width (not max-width)
Å Marlon G
Å Marlon GOP2y ago
So why does it not work to put max-width on the image, but on the container? This is the reset I've used based on Josh Comeau's reset. img, picture, video, canvas, svg { display: block; max-width: 100%; } .test { background-color: blueviolet; max-width: 300px; aspect-ratio: 1 / 1; } figure { max-width: 300px; } figure > img { width: 100%; aspect-ratio: 1 / 1; object-fit: cover; } Should I change the reset to width instead of max-width, or does that bring in problems later?
MarkBoots
MarkBoots2y ago
in a reset i wouldnt do this at all, It's not really a reset, you are setting specific sizes. if you have a figure that needs a larger size, you have to reset it again.
Å Marlon G
Å Marlon GOP2y ago
Which is what CSS tricks is talking about here ...? "Good move for a CSS reset. The block display type there prevents those annoying line-height gaps that always kill me. And you almost never want any of these media blocks to be wider than the parent. I somehow don’t think picture is necessary, though, as it’s not really a style-able block? Could be wrong. I’d probably toss iframe and object in there as well."
Å Marlon G
Å Marlon GOP2y ago
Chris Coyier
CSS-Tricks
Notes on Josh Comeau's Custom CSS Reset | CSS-Tricks
We recently talked with Elad Shechter on his new CSS reset, and shortly after that Josh Comeau blogged his.
MarkBoots
MarkBoots2y ago
a reset itself is okay, but the purpose is resetting default styling on elements, not defining it (like you do with max-with: 300 and aspect-ratio: 1/1 and object-fit)
Å Marlon G
Å Marlon GOP2y ago
Thank you! It's easy to just take things from these great names for granted. 🧐
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