Css Alpha Masking
Generate CSS alpha masks to selectively reveal or hide content based on image data or custom gradients.
Install on your platform
We auto-selected Claude Code based on this skill’s supported platforms.
Run in terminal (recommended)
claude mcp add css-alpha-masking npx -- -y @trustedskills/css-alpha-masking
Or manually add to ~/.claude/settings.json
{
"mcpServers": {
"css-alpha-masking": {
"command": "npx",
"args": [
"-y",
"@trustedskills/css-alpha-masking"
]
}
}
}Requires Claude Code (claude CLI). Run claude --version to verify your install.
About This Skill
What it does
This skill enables AI agents to generate CSS code that utilizes alpha masking. Alpha masking allows elements to be partially visible, revealing underlying layers or creating interesting visual effects by controlling the opacity of an element based on another image or shape. The generated CSS can be used to create complex and visually appealing frontend designs.
When to use it
- Creating a logo reveal effect where text appears over an image.
- Generating a custom button with a unique, partially transparent background.
- Implementing a visual filter for images using CSS masking.
- Designing interactive elements that change opacity based on user interaction.
Key capabilities
- Generates CSS code for alpha masking.
- Supports various masking techniques.
- Allows control over the transparency of masked elements.
Example prompts
- "Create a CSS mask to reveal a logo image behind a semi-transparent button."
- "Generate CSS that makes an element partially transparent based on the shape of a star."
- “Show me how to create an alpha mask in CSS for a circular cutout effect.”
Tips & gotchas
The effectiveness of this skill relies on understanding basic CSS concepts and having appropriate image assets available for masking. Ensure your AI agent has access to or can generate suitable images if needed.
Tags
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Security Audits
| Gen Agent Trust Hub | Pass |
| Socket | Pass |
| Snyk | Pass |
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