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Character references must always start with an ampersand (&
) and end with a semicolon (;
), for example the <
character can be referenced as <
.
Learn more:
Related W3C validator issues
CSS properties need to be separated by semicolons. Check for the missing semicolon between properties.
In the example below, a forgotten semicolon before the content property makes the CSS parser unable to understand the properties:
<style>
nice {
z-index: auto
content: "";
display: block;
}
</style>
Fix it by including the forgotten semicolon like this:
<style>
nice {
z-index: auto;
content: "";
display: block;
}
</style>
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