<div>
I removed it and the button still works fine :# &nbsp;... thanks
</div>


I removed it and the button still works fine :#  ... thanks

<div>
<div class="content wysiwyg-content">
Code for button:<br />
<br />
&lt;a href=&quot;../../logout.php&quot; class=&quot;btn btn-danger&quot; type=&quot;button&quot;&gt;Log out&lt;/a&gt;<br />
<br />
Error when validating page:<br />
<br />
Bad value button for attribute type on element a: Subtype missing.
</div>
</div>


Code for button:

<a href="../../logout.php" class="btn btn-danger" type="button">Log out</a>

Error when validating page:

Bad value button for attribute type on element a: Subtype missing.

Error in button when validating W3C

HTML (HyperText Markup Language) is the main markup language for creating web pages and other information to be displayed in a web browser, providing both the structure and content for what is sent from a web server through the use of tags. The current implementation of the HTML specification is HTML5.

HTML

Web development includes all aspects of presenting content on intranets and the Internet, including delivery development, protocols, languages and standards, server software, browser clients, databases and multimedia generation.

Web Development

Cascading Style Sheets (CSS) is a language used for describing the look and formatting of a document written in a markup language. Usually used to change web pages and user interfaces written in HTML, it can also be applied to any kind of XML document. CSS is designed primarily to distinguish the content of a document from its presentation.

PHP is a widely-used server-side scripting language especially suited for web development, powering tens of millions of sites from Facebook to personal WordPress blogs. PHP is often paired with the MySQL relational database, but includes support for most other mainstream databases. By utilizing different Server APIs, PHP can work on many different web servers as a server-side scripting language.