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progressive-blur

📁 mengto/skills 📅 6 days ago
1
总安装量
1
周安装量
#49411
全站排名
安装命令
npx skills add https://github.com/mengto/skills --skill progressive-blur

Agent 安装分布

replit 1
opencode 1
cursor 1
codex 1

Skill 文档

Progressive Blur Skill

Workflow

  1. Confirm placement (top or bottom), height, and z-index relative to UI.
  2. Provide the matching snippet and a short usage checklist.
  3. Offer only targeted tweaks (height, blur steps, direction, opacity stops).

Usage checklist

  • Insert the HTML inside <body>.
  • Keep the .gradient-blur element near the top of the DOM.
  • Ensure the background behind it exists (backdrop-filter blurs what is behind).
  • Adjust z-index to sit above content but below modals.

Top blur (from top)

<div class="gradient-blur">
  <div></div><div></div><div></div><div></div><div></div><div></div>
</div>
<style>
  .gradient-blur {
    position: fixed;
    z-index: 5;
    inset: 0 0 auto 0;
    height: 12%;
    pointer-events: none;
  }

  .gradient-blur > div,
  .gradient-blur::before,
  .gradient-blur::after {
    position: absolute;
    inset: 0;
  }

  .gradient-blur::before {
    content: "";
    z-index: 1;
    backdrop-filter: blur(0.5px);
    mask: linear-gradient(to top,
      rgba(0, 0, 0, 0) 0%,
      rgba(0, 0, 0, 1) 12.5%,
      rgba(0, 0, 0, 1) 25%,
      rgba(0, 0, 0, 0) 37.5%);
  }

  .gradient-blur > div:nth-of-type(1) {
    z-index: 2;
    backdrop-filter: blur(1px);
    mask: linear-gradient(to top,
      rgba(0, 0, 0, 0) 12.5%,
      rgba(0, 0, 0, 1) 25%,
      rgba(0, 0, 0, 1) 37.5%,
      rgba(0, 0, 0, 0) 50%);
  }

  .gradient-blur > div:nth-of-type(2) {
    z-index: 3;
    backdrop-filter: blur(2px);
    mask: linear-gradient(to top,
      rgba(0, 0, 0, 0) 25%,
      rgba(0, 0, 0, 1) 37.5%,
      rgba(0, 0, 0, 1) 50%,
      rgba(0, 0, 0, 0) 62.5%);
  }

  .gradient-blur > div:nth-of-type(3) {
    z-index: 4;
    backdrop-filter: blur(4px);
    mask: linear-gradient(to top,
      rgba(0, 0, 0, 0) 37.5%,
      rgba(0, 0, 0, 1) 50%,
      rgba(0, 0, 0, 1) 62.5%,
      rgba(0, 0, 0, 0) 75%);
  }

  .gradient-blur > div:nth-of-type(4) {
    z-index: 5;
    backdrop-filter: blur(8px);
    mask: linear-gradient(to top,
      rgba(0, 0, 0, 0) 50%,
      rgba(0, 0, 0, 1) 62.5%,
      rgba(0, 0, 0, 1) 75%,
      rgba(0, 0, 0, 0) 87.5%);
  }

  .gradient-blur > div:nth-of-type(5) {
    z-index: 6;
    backdrop-filter: blur(16px);
    mask: linear-gradient(to top,
      rgba(0, 0, 0, 0) 62.5%,
      rgba(0, 0, 0, 1) 75%,
      rgba(0, 0, 0, 1) 87.5%,
      rgba(0, 0, 0, 0) 100%);
  }

  .gradient-blur > div:nth-of-type(6) {
    z-index: 7;
    backdrop-filter: blur(32px);
    mask: linear-gradient(to top,
      rgba(0, 0, 0, 0) 75%,
      rgba(0, 0, 0, 1) 87.5%,
      rgba(0, 0, 0, 1) 100%);
  }

  .gradient-blur::after {
    content: "";
    z-index: 8;
    backdrop-filter: blur(64px);
    mask: linear-gradient(to top,
      rgba(0, 0, 0, 0) 87.5%,
      rgba(0, 0, 0, 1) 100%);
  }
</style>

Bottom blur (from bottom)

<div class="gradient-blur">
  <div></div><div></div><div></div><div></div><div></div><div></div>
</div>
<style>
  .gradient-blur {
    position: fixed;
    z-index: 5;
    inset: auto 0 0 0;
    height: 65%;
    pointer-events: none;
  }

  .gradient-blur > div,
  .gradient-blur::before,
  .gradient-blur::after {
    position: absolute;
    inset: 0;
  }

  .gradient-blur::before {
    content: "";
    z-index: 1;
    backdrop-filter: blur(0.5px);
    mask: linear-gradient(to bottom,
      rgba(0, 0, 0, 0) 0%,
      rgba(0, 0, 0, 1) 12.5%,
      rgba(0, 0, 0, 1) 25%,
      rgba(0, 0, 0, 0) 37.5%);
  }

  .gradient-blur > div:nth-of-type(1) {
    z-index: 2;
    backdrop-filter: blur(1px);
    mask: linear-gradient(to bottom,
      rgba(0, 0, 0, 0) 12.5%,
      rgba(0, 0, 0, 1) 25%,
      rgba(0, 0, 0, 1) 37.5%,
      rgba(0, 0, 0, 0) 50%);
  }

  .gradient-blur > div:nth-of-type(2) {
    z-index: 3;
    backdrop-filter: blur(2px);
    mask: linear-gradient(to bottom,
      rgba(0, 0, 0, 0) 25%,
      rgba(0, 0, 0, 1) 37.5%,
      rgba(0, 0, 0, 1) 50%,
      rgba(0, 0, 0, 0) 62.5%);
  }

  .gradient-blur > div:nth-of-type(3) {
    z-index: 4;
    backdrop-filter: blur(4px);
    mask: linear-gradient(to bottom,
      rgba(0, 0, 0, 0) 37.5%,
      rgba(0, 0, 0, 1) 50%,
      rgba(0, 0, 0, 1) 62.5%,
      rgba(0, 0, 0, 0) 75%);
  }

  .gradient-blur > div:nth-of-type(4) {
    z-index: 5;
    backdrop-filter: blur(8px);
    mask: linear-gradient(to bottom,
      rgba(0, 0, 0, 0) 50%,
      rgba(0, 0, 0, 1) 62.5%,
      rgba(0, 0, 0, 1) 75%,
      rgba(0, 0, 0, 0) 87.5%);
  }

  .gradient-blur > div:nth-of-type(5) {
    z-index: 6;
    backdrop-filter: blur(16px);
    mask: linear-gradient(to bottom,
      rgba(0, 0, 0, 0) 62.5%,
      rgba(0, 0, 0, 1) 75%,
      rgba(0, 0, 0, 1) 87.5%,
      rgba(0, 0, 0, 0) 100%);
  }

  .gradient-blur > div:nth-of-type(6) {
    z-index: 7;
    backdrop-filter: blur(32px);
    mask: linear-gradient(to bottom,
      rgba(0, 0, 0, 0) 75%,
      rgba(0, 0, 0, 1) 87.5%,
      rgba(0, 0, 0, 1) 100%);
  }

  .gradient-blur::after {
    content: "";
    z-index: 8;
    backdrop-filter: blur(64px);
    mask: linear-gradient(to bottom,
      rgba(0, 0, 0, 0) 87.5%,
      rgba(0, 0, 0, 1) 100%);
  }
</style>

Customization knobs

  • Direction: flip to top ↔ to bottom.
  • Height: adjust .gradient-blur height percentage.
  • Strength: change blur values (0.5px → 64px).
  • Steps: add/remove layers to control smoothness.

Common pitfalls

  • backdrop-filter needs content behind it; it will not blur a flat background.
  • High blur values are GPU-heavy; reduce steps on low-end devices.
  • Ensure pointer-events: none stays to avoid blocking clicks.

Questions to ask when specs are missing

  • Should the blur start from the top or bottom?
  • How tall should the blur area be?
  • Is performance a concern on lower-end devices?
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