Add edge highlight to images

In case if image is transparent and it's actually visible

sass/_comments.scss

@@ -62,7 +62,6 @@
 					background-color: var(--fg-muted-1);
 					width: 100%;
 					height: 100%;
-					overflow: hidden;
 
 					&:hover {
 						transform: rotate(10deg) scale(1.1);

sass/_media.scss

@@ -2,7 +2,7 @@ img,
 video {
 	display: block;
 	margin: 1rem auto;
-	box-shadow: var(--shadow);
+	box-shadow: var(--edge-highlight), var(--shadow);
 	border-radius: var(--rounded-corner);
 	max-width: 100%;