Add overlay_filter param to hero headers #1
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The `overlay_filter` param lets you darken or otherwise filter the hero header picture to make the text content pop out more. You can use it by specifying the opacity (between 0 and 1) of a black overlay like so: ```yaml excerpt: "This post should display a **header with an overlay image**, if the theme supports it." header: overlay_image: unsplash-image-1.jpg overlay_filter: 0.5 # same as adding an opacity of 0.5 to a black background caption: "Photo credit: [**Unsplash**](https://unsplash.com)" cta_label: "More Info" cta_url: "https://unsplash.com" ``` Or if you want to do more fancy things, go full rgba: ```yaml excerpt: "This post should display a **header with an overlay image**, if the theme supports it." header: overlay_image: unsplash-image-1.jpg overlay_filter: rgba(255, 0, 0, 0.5) caption: "Photo credit: [**Unsplash**](https://unsplash.com)" cta_label: "More Info" cta_url: "https://unsplash.com" ```
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The
overlay_filterparam lets you darken or otherwise filter the hero header picture to make the text content pop out more.You can use it by specifying the opacity (between 0 and 1) of a black overlay like so:
Or if you want to do more fancy things, go full rgba: