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Hello,

when I do a CSS error report (for example here https://www.onlinewebcheck.com/check.php ) I get a whole bunch of errors which are not associated with my customization of the website (www.sci-mo.de)

Example errors are:

Row 136 :

Found an extra or misplaced ‘colon’ character.

letter-spacing: :1px;

Row 483

This “link” element is not in the “head” section (which it must be in if the “itemprop” attribute is not used). Please check for missing or misplaced “head” elements or move this “link” element into the “head” section. The attributes will not be checked until this is corrected.

<link href=”https://fonts.googleapis.com/css?family=Open Sans:400″ rel=”stylesheet” property=”stylesheet” type=”text/css” media=”all” />

Row 697

The value “” for the shorthand “padding” property is invalid. CSS 2.1 allows this value to be “[ | ]{1,4}”. CSS3 allows the same value as CSS 2.1. This shorthand property sets the padding space on all sides of the content area. Padding values may not be negative.

:” data-animation=”none” data-delay=””>

As I think, that code validation is SEO criteria, it would be nice if you would show me a solution.

Thank you

Markus

Example errors are:

Row 136 :

Found an extra or misplaced ‘colon’ character.
<p class=””htmlsource””>letter-spacing: <span class=””htmlsourcehighlight””>:</span>1px;
</p>
<p class=””htmlsource””></p>
<p class=””htmlsource””>Row 483</p>
This “link” element is not in the “head” section (which it must be in if the “itemprop” attribute is not used). Please check for missing or misplaced “head” elements or move this “link” element into the “head” section. The attributes will not be checked until this is corrected.
<p class=””htmlsource””><<span class=””htmlsourcehighlight””>link</span> href=”https://fonts.googleapis.com/css?family=Open Sans:400″ rel=”stylesheet” property=”stylesheet” type=”text/css” media=”all” /></p>
<p class=””htmlsource””></p>
<p class=””htmlsource””>Row 697</p>
The value “” for the shorthand “padding” property is invalid. CSS 2.1 allows this value to be “[ | ]{1,4}”. CSS3 allows the same value as CSS 2.1. This shorthand property sets the padding space on all sides of the content area. Padding values may not be negative.
<div class=””htmlsourcehighlight””>

:” data-animation=”none” data-delay=””>

</div>
As I think, that code validation is SEO criteria, it would be nice if you would show me a solution.

Thank you

Markus