I love callouts. I use them everywhere because they act as sections. But one of the things I hate about callouts is that you have to use an icon/emoji. Most of the time, it's okay, but there are occurrences when I don't want one.

Example: in my homemade navigation bar, I like to add a quick link to my menu (the highest parent page in the hierarchy). But because it's a page backlink, it pulls the icon from that page. Which means I now have two icons back-to-back.

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There's a simple way to address this problem. Callouts allow you to add a custom icon, either from a link or by uploading one.

So all you have to do is:

1. Copy this link: https://upload.wikimedia.org/wikipedia/commons/thumb/8/89/HD_transparent_picture.png/1600px-HD_transparent_picture.png (it's a link to a fully transparent picture).
2. Paste the link into the custom icon field of your callout

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Now, you will have something that looks like this:

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No more icon! I really love this trick.

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