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FireBrick Custom CSS: Difference between revisions
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→Internal inline CSS - using data URIs
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It is recommended that you should not attempt to include newlines in the inline CSS of your data URI, as this may be forbidden by the URI scheme standard. Be aware of the risk of your inline CSS containing characters that are either prohibited in data URIs, illegal in quoted strings or in XML attributes. See both the RFC for the data URI scheme and also the XML standards. Just some examples of illegal characters are ", %, &, >, newlines and various others, The simple technique of including literal CSS straight, as below, is only usable if the particular fragment of CSS does not contain any problematic characters, otherwise see the next section for a general method.
Make sure that your text editor is set to output Unicode as UTF-8 as UTF-8 encoding is expected by the data URI example below. (Specifically, if you are using Microsoft Windows, do not use Microsoft Windows 1252 ‘ANSI/Latin 1’ or other IBM/Microsoft ‘code pages’ for text representation in editors.) If you do not follow this, all non-ASCII characters will not be represented correctly in your CSS, creating bugs. Examples of non-ASCII characters include: à é ü £ … “ ” ‘ ’ × ÷ ≡ ² ː Ω ∅ and vastly many more.
Example: straight, inline CSS. Exercise caution regarding prohibited characters if adapting. In the following example, any line-breaks which be included for readability must be removed and the whole string must be entered as a single line.
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