Proper support for heading anchors

sass/_main.scss

@@ -50,6 +50,7 @@ body {
 
 	@keyframes highlight-in-out {
 		50% {
+			font-weight: bolder;
 			letter-spacing: 0.125rem;
 		}
 	}
@@ -77,17 +78,6 @@ h6 {
 	line-height: normal;
 	font-family: var(--font-serif);
 	letter-spacing: -0.05em;
-
-	.zola-anchor {
-		display: none;
-		visibility: hidden;
-	}
-
-	&:hover .zola-anchor {
-		display: inline-block;
-		visibility: visible;
-		text-decoration: none;
-	}
 }
 
 h1 {
@@ -240,10 +230,6 @@ pre {
 				background-color: var(--fg-muted-4);
 				width: 1rem;
 				height: 1rem;
-				font-style: normal;
-				font-variant: normal;
-				line-height: 1;
-				text-rendering: auto;
 			}
 		}
 	}