css-houdini's Introduction

css-houdini

Some helpful CSS snippets written in Houdini.

How to use

Check compatibility: Check the "Paint API" row in the Houdini readiness table.
Load the paint worklet CSS.paintWorklet.addModule('paintworklet.js').
Use them in CSS!

1. Tooltip: (preview)

Tip: You can inspect the preview page to see them in action and play around with them.

Usage

<span>This is a tip</span>
<style>
  span {
    background-image: paint(tooltip);  /* Apply the tooltip paint rule */
    /* ... Optional: customize variables (see below) and other normal CSS for positioning, etc. */
  }
</style>

<!-- Import the CSS Houdini -->
<script>CSS.paintWorklet.addModule('paintworklet.js');</script>

Customizable CSS variables

Name	Meaning	Value
--direction	Direction of the triangle	'top'/'bottom'/'left'/'right', default: 'left'
--position	Position of the triangle on the rectangle edge	number 0 - 100 (percentage), or a keyword 'center', default: center
--triangle-size	The length of the long edge of the pointing triangle	number, default: 16
--round-radius	Corner radius of the rectangle in pixels	number, default: 5
--background-color	Background color	color, default: #fff
--border-width	Border width	number, default: 0
--border-color	Border color	color, default: #000

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