cssAudio - Activefile-genericCSS - ActiveGeneric - ActiveHTML - ActiveImage - ActiveJS - ActiveSVG - ActiveText - Activefile-genericVideo - ActiveLovehtmlicon-new-collectionicon-personicon-teamlog-outoctocatpop-outspinnerstartv

Pen Settings

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URL's added here will be added as <link>s in order, and before the CSS in the editor. If you link to another Pen, it will include the CSS from that Pen. If the preprocessor matches, it will attempt to combine them before processing.

+ add another resource

You're using npm packages, so we've auto-selected Babel for you here, which we require to process imports and make it all work. If you need to use a different JavaScript preprocessor, remove the packages in the npm tab.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

+ add another resource

Use npm Packages

We can make npm packages available for you to use in your JavaScript. We use webpack to prepare them and make them available to import. We'll also process your JavaScript with Babel.

⚠️ This feature can only be used by logged in users.

Code Indentation

     

Save Automatically?

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

            
              .box
  h1.intro Fork me on GitHub
    small *animated* corner style generator

  form#corner-opts
    h2 options:
    dl
      dt
        label(for="opts_pos") position
      dd
        table
          tr
            td
              label
                input(type="radio", name="opts_pos", value="+-")
                | top-left
            td
              label
                input(type="radio", name="opts_pos", value="++", checked)
                | top-right
          tr
            td
              label
                input(type="radio", name="opts_pos", value="--")
                | bottom-left
            td
              label
                input(type="radio", name="opts_pos", value="-+")
                | bottom-right

      dt
        label(for="color") color
        small  /cat/
      dd
        input#color(type="color", name="color", value="#ffffff", required)
      dt
        label(for="fill") fill color
        small  /background-color/
      dd
        input#fill(type="color", name="fill", value="#000000", required)
      dt
        label(for="url") url
        small  /link/
      dd
        input#url(type="url", name="url", value="###", required)
      dt
        label(for="size") size
        small  /px/
      dd
        input#size(type="number", name="size", min="0", step="5", value="80", required)
      dt
        label(for="animation") animation
      dd
        input#animation(type="checkbox", name="animation", checked)
      dt
        label(for="transparent") transparent
        small  /mix-blend-mode/
      dd
        select#transparent
          optgroup(label="disable")
            option(label="no", value="")
          optgroup(label="enable")
            each i in ['normal', 'multiply', 'screen', 'overlay', 'darken', 'lighten', 'color-dodge', 'color-burn', 'hard-light', 'soft-light', 'difference', 'exclusion', 'hue', 'saturation', 'color', 'luminosity']
              option(label=i, value=i, selected=( i === 'darken' ))

    hr

    .text-center
      input(type="reset")


  textarea#textarea(cols="50", rows="10")
  .text-right
    button.btn(type="button", data-clipboard-target="#textarea") copy

#apply

script#corner-tpl(type="text/template")
  a.github-corner(href="${url}", title="Fork me on GitHub")
    svg(width="${size}", height="${size}", viewbox="0 0 250 250")
      title Fork me on GitHub
      path(d="M0 0h250v250")
      path.octo-arm(d="M127.4 110c-14.6-9.2-9.4-19.5-9.4-19.5 3-7 1.5-11 1.5-11-1-6.2 3-2 3-2 4 4.7 2 11 2 11-2.2 10.4 5 14.8 9 16.2", fill="currentColor", style="transform-origin:130px 110px")
      path.octo-body(d="M113.2 114.3s3.6 1.6 4.7.6l15-13.7c3-2.4 6-3 8.2-2.7-8-11.2-14-25 3-41 4.7-4.4 10.6-6.4 16.2-6.4.6-1.6 3.6-7.3 11.8-10.7 0 0 4.5 2.7 6.8 16.5 4.3 2.7 8.3 6 12 9.8 3.3 3.5 6.7 8 8.6 12.3 14 3 16.8 8 16.8 8-3.4 8-9.4 11-11.4 11 0 5.8-2.3 11-7.5 15.5-16.4 16-30 9-40 .2 0 3-1 7-5.2 11l-13.3 11c-1 1 .5 5.3.8 5z", fill="currentColor")

    style.
      .github-corner svg {
        position: absolute;
        ${dirX}: 0;
        ${dirY}: 0;
        ${trans}
        ${mixBlendMode}
        color: ${color};
        fill: ${fill};
      }
      ${animation}

blockquote.info
  | inspired from <a href="http://tholman.com/github-corners/">GitHub Corners</a>, and <a href="https://github.com/tholman/github-corners/issues/5#issue-116228491">issue</a>
            
          
!
            
              textarea {
  display: block;
  width: 100%;
  margin-top: 2rem;
}

dl {
  margin-left: 2rem;
  margin-bottom: 1.5rem;
}

dt {
  padding-top: .5rem;

  label {
    font-weight: 900;
  }
}

.text-center {text-align: center; }
.text-right {text-align: right; }

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  position: relative;
  margin: 0;
  min-height: 100vh;
  padding-top: 1px;
  padding-bottom: 5rem;
  background-image: linear-gradient(rgba(#0cc,.5), #fff 10%);
  color: #333;
}

.box {
  max-width: 30rem;
  margin: 0 auto;
}

.intro {
  width: 80%;
  padding-bottom: 1rem;
  margin: .5em auto 1em;
  text-transform: capitalize;
  border-bottom: 1px dashed #999;
  text-align: center;

  small {
    display: block;
    text-transform: none;
  }
}

small {
  opacity: .6;
  font-style: italic;
}

.info {
  position: absolute;
  bottom: 0;
  right: 0;
  margin: 1em;
  font-size: .9em;
  font-style: italic;
  font-family: serif;
  text-align: right;
  color: #999;

  a {
    color: inherit;
  }
}

            
          
!
            
              /* globals Clipboard */

let corner = {
  tpl: document.getElementById('corner-tpl').textContent.trim(),
  textarea: document.getElementById('textarea'),
  target: document.getElementById('apply')
};

let animationStyle = `
  .github-corner:hover .octo-arm {
    animation: octocat-wave .56s;
  }
  @keyframes octocat-wave {
    0%, 100% {transform: rotate(0); }
    20%, 60% {transform: rotate(-20deg); }
    40%, 80% {transform: rotate(10deg); }
  }`;

corner.form = document.getElementById('corner-opts');

let update = function () {
  let color = corner.form.color.value;
  let fill = corner.form.fill.value;
  let transparent = corner.form.transparent.value;
  let _animationStyle = corner.form.animation.checked ? animationStyle : '';
  let size = corner.form.size.value;
  let url = corner.form.url.value;

  let [ay, ax] = [].filter.call(corner.form.opts_pos, i => i.checked)[0].value
    .split('').map(i => i === '+' ? 1 : -1);

  let trans = (ay === 1 && ax === 1) ? '' : `transform: scale(${ax},${ay});`;

  let dirX = ax > 0 ? 'right' : 'left';
  let dirY = ay > 0 ? 'top' : 'bottom';

  if (transparent !== '') {
    transparent = `mix-blend-mode:${transparent};`;
  }

  let _tpl =
    corner.tpl

      // replace
      .replace(/\${url}/, url)
      .replace(/\${size}/g, size)
      .replace(/\${fill}/, fill)
      .replace(/\${color}/, color)
      .replace(/\${trans}/, trans)
      .replace(/\${dirX}/, dirX)
      .replace(/\${dirY}/, dirY)
      .replace(/\${mixBlendMode}/, transparent)
      .replace(/\${animation}/, _animationStyle)

      // minify
      .replace(/\s*([:{}; ])\s*/g, '$1')
      .replace(/>\s+?</g, '><');

  corner.target.innerHTML = corner.textarea.value = _tpl;
};

// init
(function () {
  update();

  // bind events
  new Clipboard('.btn');
  corner.form.addEventListener('input', update);
  corner.form.addEventListener('change', update);
  corner.form.addEventListener('reset', function () {
    setTimeout(update, 0);
  });
})();

            
          
!
999px
🕑 One or more of the npm packages you are using needs to be built. You're the first person to ever need it! We're building it right now and your preview will start updating again when it's ready.
Loading ..................

Console