Formatting removed from text

I activated Version 6.0 and text formatting, headers, line breaks and text color inside the box no longer work. All text inthe box now just looks like unformatted plain text, in default color. Here’s a sample of the formatting in one of my boxes.

[color-box color=”blue”]
<h2><span style=”color: #000080;”>Biographies and Memoirs</span></h2>
<h4><span style=”color: #000080;”>Accounts of the lives of famous Americans, political leaders, heroes, pioneers and outlaws.<br class=”none” />
First-person accounts of everyday life and historic events.</span></h4>
<h5>[color-button color=”purple” href=”/great-lakes-biographies-memoirs/”]GL [/color-button]|[color-button color=”red” href=”/ohio-biographies-memoirs/”]OHIO[/color-button]|[color-button color=”yellow” href=”/indiana-biographies-memoirs/”]IND[/color-button]|[color-button color=”orange” href=”/illinois-biographies-memoirs/”]ILL[/color-button]|[color-button color=”blue” href=”/michigan-biographies-memoirs/”]MICH[/color-button]|[color-button color=”green” href=”/wisconsin-biographies-memoirs/”]WISC[/color-button][/color-box]

https://wordpress.org/plugins/standout-color-boxes-and-buttons/