How to Desaturate Image Gallery Thumbnails WordPress by Waseem Abbas on Jun 19, 2017.. Creating gallery with the black and white thumbnails that displays color on hover is easy way to grab the attention of your visitors. You need plugin like Envira Gallery to add black and white thumbnails that show the image on hover into your image gallery.. To desaturate gallery thumbnails WordPress, you'll need to follow these 5 steps. First thing that you need to do is to install and activate Envira Gallery plugin to your site... Upon activating the plugin, you can go to Envira Gallery » Addons to install and activate Gallery Themes addon.. You need to go to Envira Gallery » Add New from your WordPress admin backend and add the title to your new image gallery... Now you need to add the in the Native Envira Gallery section... You should check out this guide on how to create gallery with thumbnails WordPress.. You may also want to check out our guide on how to add watermark to images WordPress & how to fix WordPress errors..
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