The Noob's (in)complete guide to CSS for Hubitat

Thank you @morningz!

As long as you don't mind non-local fonts, this would then also work:

Eg. for a Fighter Jet (why not?) instead of a running guy when there is motion:

@import "https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.11.2/css/all.min.css";

.he-running:before {
    font-family: 'Font Awesome 5 Free' !important;
    font-weight: 900;
    content: "\f0fb";
}

Or, for using the Rebellion Alliance icon:

.he-running:before {
    font-family: 'Font Awesome 5 Brands' !important;
    font-weight: 400;
    content: "\f1d0";
}

The font-weight and correct font family are important.

With all of these icons we can style away however much we want :stuck_out_tongue:

Similar techniques could be used to put an image in the content (both remote and base64 encoded are possible), but this I'll leave to someone else to write detailed instructions about, at least for now :stuck_out_tongue:

You can use this site to encode in base64, and then something like this:

.he-running:before {
    content: url('data:image/png;base64,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');
}

And if you want to control the size and use SVG (SVG doesn't really need base64 and will be smaller without it, but why complicate things):

.he-running:before {
    background-size: 32px 32px;
    width: 28px; 
    height: 32px;
display: block;
content: "";
    background-image: 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}

EDIT: Make the background-size square even though your image isn't, use the larger dimension for both sides.

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