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21

There is a fairly workable solution right now using html, though I agree that a more intuitive method would be preferable. First, you have to upload the image as normal, and get the imgur link, for example. https://i.stack.imgur.com/m2uYu.png If you click on that, you'll see it's way too large. You can then include the image in your post scaled to any factor ...


3

It is not possible to make an image whose colors vary depending on whether the background is light or dark. The PNG* standard simply describes the color of each pixel, including an alpha channel; it has no provision for "responsive" images. However, there is a workaround: You can also use the inverse, black text with a white outline. The point is, ...


3

While editing a post, there is a button at the top of the editing pane: This button can be used to add images to a post. When you click on that button, it opens up a dialog which asks you to provide the URL of an image, or to upload an image. If you upload an image, it will be uploaded to imgur, then embedded here. As Math SE incorporates imgur uploading ...


2

Transparent png test: On white it looks like On black it looks like It doesn't "work" on coloured backgrounds:


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