https://www.awwwards.com/inspiration/thumbnail-hover-effect-with-svg-filters
This Codrops element for your web inspiration was built with hover, svg, filter, thumbnail
hover effectsvg filtersthumbnailawwwards
https://www.w3schools.com/graphics/svg_filters_intro.asp
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML...
svg filters