GAUTIER Antoine

Add a gallery navigation to WordPress
After installing the plugin. You’ll have a new menu in your admin page “GAPlugin”. 
It will have a “lightbox” menu. Here you’ll be able to change the icons for your lightbox.
<ul>
<li>for the arrow icon (next, previous)</li>
<li>for the cross icon (close)</li>
</ul>
You just have to activate the plugin and it will be ready to use.
Enjoy !
Take a look at my website <a href="https://gautierantoine.com" rel="nofollow ugc">GautierAntoine.com</a>

gaplugin-lightbox

Create a lightbox effect on the wordpress galleries. You can even change the icons.

gaplugin-lightbox vs Gallery by FooGallery