Is it possible to implement a CSS custom property in an HTML document?

Can a CSS custom property be used within an HTML tag for an inline SVG element?

For example, if I have this inline SVG element:

<svg style="width:var(--image-width);" />

Although this statement may not be valid, is there a method to utilize --image-width in the HTML file rather than the CSS file?

Answer №1

Utilizing a CSS file that contains the declaration of the variable --image-width is essential for proper functionality.

/* custom-styles.css */
:root {
    --image-width: 42px;
}
<!-- Your HTML document -->
<link rel="stylesheet" href="custom-styles.css">
<svg style="width: var(--image-width);">
    <circle cx="50" cy="50" r="40" stroke="green" stroke-width="4" fill="yellow" />
</svg>

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