How to use the idyll-components.Fixed function in idyll-components

{
          FullWidth: {
            description:
              "A `FullWidth` component will break out of the text container and expand to fill the full width of the reader's browser.",
            image: 'feature.png',
            thumbnail: 'feature.png',
            liveExample: false
          }
        },
        {
          Fixed: {
            description:
              'Content inside of a `fixed` component will be locked in place, even when the rest of the document scrolls. The [scroll](https://idyll-lang.github.io/idyll/scroll) example uses the `fixed` component to keep the dynamic chart in place:',
            thumbnail: 'fixed.gif',
            image: 'fixed.gif',
            component: COMPONENTS.Fixed,
            liveExample: false
          }
        },
        {
          Float: {
            description:
              'Content inside of a float will use the CSS `float` attribute to float to the left or right of its parent container.',
            thumbnail: 'float.png',
            component: COMPONENTS.Float,
            liveExample: false
          }
        },
        {
          Inline: {
            thumbnail: 'inline.png',
            description: