Automatically turn the site to grayscale (may be used for some purpose)

jojoee

Black Ribbon

Automatically add black ribbon into sites corner (may be used for some purpose)

Jesús Amieiro

fontethemes

Grayscale Images

This plugin converts all images to grayscale and show the colored image on hover.

<p>Automatically turn the site to grayscale (may be used for some purpose)</p>
<p>Features:</p>
<ul>
<li>Grayscale / Color switcher (for non-IE)</li>
<li>Theme option to enable / disable switcher and select switcher position</li>
<li>Default mode, ability to set default which either “grayscale” or “color”</li>
<li>Ignored Post IDs, user can display this plugin for specific posts by post IDs</li>
<li>Custom css</li>
</ul>
<p>Compatible with all browsers:</p>
<ul>
<li><a href="https://www.google.com/chrome/" rel="nofollow ugc">Google Chrome</a> 19+</li>
<li><a href="https://www.mozilla.org/firefox/" rel="nofollow ugc">Mozilla Firefox</a> 3.5+</li>
<li><a href="http://www.apple.com/safari/" rel="nofollow ugc">Safari</a> 6+</li>
<li><a href="https://www.microsoft.com/en-us/download/internet-explorer.aspx" rel="nofollow ugc">Internet Explorer</a> 8-9</li>
<li><a href="http://www.opera.com/" rel="nofollow ugc">Opera</a> 11.5</li>
</ul>
<h3>Notes</h3>
<ul>
<li><a href="https://codex.wordpress.org/WordPress_Coding_Standards" rel="nofollow ugc">WordPress Coding Standards</a></li>
<li>2 spaces for indent</li>
<li><a href="https://github.com/jojoee/grayscale-body" rel="nofollow ugc">Repository on Github</a></li>
</ul>
<h4>TODO</h4>
<ul>
<li>[x] Switcher</li>
<li>[x] Theme option</li>
<li>[ ] Localization</li>
<li>[ ] Separate utility out of main plugin file</li>
<li>[ ] Using the feature from <a href="https://github.com/jojoee/grayscale-body-js" rel="nofollow ugc">grayscale-body-js</a> instead</li>
</ul>
<h4>Thank you</h4>
<ul>
<li><a href="https://wordpress.org/plugins/about/validator/" rel="ugc">WordPress Plugin readme.txt Validator</a></li>
<li><a href="https://autoprefixer.github.io/" rel="nofollow ugc">Autoprefixer CSS online</a></li>
<li><a href="https://tinypng.com/" rel="nofollow ugc">TinyPNG</a></li>
<li><a href="https://www.piliapp.com/php-syntax-check/" rel="nofollow ugc">PHP code syntax check</a></li>
</ul>


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