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36 lines
1.2 KiB
Markdown
36 lines
1.2 KiB
Markdown
---
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title: safeCSS
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description: Declares the provided string as a known "safe" CSS string.
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godocref: https://golang.org/src/html/template/content.go?s=919:929#L15
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date: 2017-02-01
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publishdate: 2017-02-01
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lastmod: 2017-02-26
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categories: [functions]
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menu:
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docs:
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parent: "functions"
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keywords: [style,css,strings]
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signature: ["safeCSS INPUT"]
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workson: []
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hugoversion:
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relatedfuncs: [safeHTML,safeHTMLAttr,]
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deprecated: false
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aliases: []
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---
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In this context, *safe* means CSS content that matches any of the following:
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1. The CSS3 stylesheet production, such as `p { color: purple }`.
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2. The CSS3 rule production, such as `a[href=~"https:"].foo#bar`.
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3. CSS3 declaration productions, such as `color: red; margin: 2px`.
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4. The CSS3 value production, such as `rgba(0, 0, 255, 127)`.
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Example: Given `style = "color: red;"` defined in the front matter of your `.md` file:
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* <span class="good">`<p style="{{ .Params.style | safeCSS }}">…</p>` → `<p style="color: red;">…</p>`</span>
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* <span class="bad">`<p style="{{ .Params.style }}">…</p>` → `<p style="ZgotmplZ">…</p>`</span>
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{{% note "ZgotmplZ" %}}
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"ZgotmplZ" is a special value that indicates that unsafe content reached a CSS or URL context.
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{{% /note %}}
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