fabian, 1 month ago

@-moz-document url-prefix("https://www.some-website.example/") {  
 article:has(a[href*="topic-i-really-cant-be-bothered-with-anymore"]) {  
 opacity:0.5;  
 filter:blur(10px);  
 }  
}  

#FilterBubble 👀
#UserStyle #Stylus #Firefox #CSS

PS: display: none is also fine.