Why Aren't My CSS Custom Cursors from External Images Working?

Using External Images for CSS Custom Cursors: Size and Auto

While browser support for CSS custom cursors has improved, there are still some limitations to be aware of. One such limitation is the use of external image URLs. In the example provided, the custom cursor is not working because the image URL is too large.

According to the documentation, there are restrictions on the image dimensions for custom cursors. In Firefox, for instance, the size limit is 128x128px. Therefore, it's important to keep the image size within these limits.

Another requirement that is often forgotten is the need to include "auto" in the cursor declaration. This part indicates the default cursor behavior in case the custom cursor cannot be displayed or is not supported.

To correctly implement an external image as a custom cursor, consider the following guidelines:

• Keep the image dimensions within the supported limits (e.g., 128x128px for Firefox).
• Use both the image URL and "auto" in the cursor declaration:

.test {
  background:gray;
  width:200px;
  height:200px;
  cursor:url(http://www.javascriptkit.com/dhtmltutors/cursor-hand.gif), auto;
}

By following these guidelines, you can effectively use external images to enhance the visual appeal of your web pages with custom cursors.

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