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add example of using setCustomCSS + setPanelClass

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Mike Burton
2025-11-29 09:53:38 -08:00
parent f990016623
commit c8c41aa077
1 changed files with 12 additions and 1 deletions
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README.md
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@@ -709,7 +709,18 @@ void setup() {
The custom CSS is served at `/css/custom.css` and is automatically included in the `index.htm` file. The custom CSS is served at `/css/custom.css` and is automatically included in the `index.htm` file.
This can be used in conjunction with `setPanelClass` to apply custom CSS styles to controls. This can be used in conjunction with `setPanelClass` to apply custom CSS styles to controls. For example:
```cpp
// Make the value span of the panel red on error
ESPUI.setCustomCSS(".err span { color: red; }");
// Set the panel class to 'err' to make its value red
ESPUI.setPanelClass(<id>, "err");
```
For simpler styles without using classes, you can use `setElementStyle` or `setPanelStyle` instead.
# Notes for Development # Notes for Development