JSFiddle - React, Tailwind, and code Playground
HTML
<img src="http://nulledbb.com/images/nulled/groups/admin.png">
CSS
img {
-webkit-filter: grayscale(1);
filter: grayscale(1);
}
<img src="http://nulledbb.com/images/nulled/groups/admin.png">
img {
-webkit-filter: grayscale(1);
filter: grayscale(1);
}