try this (sveltejs#510)

Author: Rich-Harris

apps/svelte.dev/src/routes/_home/Testimonials.svelte

@@ -128,6 +128,7 @@
 			border-radius: var(--sk-border-radius);
 			filter: grayscale(1);
 			transition: filter 0.2s;
+			-webkit-transform: translate3d(0, 0, 0.01);
 
 			a:hover & {
 				filter: grayscale(0);