client: markdown style improvements

client/components/preview/preview.module.css

@@ -106,11 +106,6 @@
 	content: "";
 }
 
-.markdownPreview img {
-	max-width: 100%;
-	max-height: 350px;
-}
-
 @media screen and (max-width: 800px) {
 	.markdownPreview h1 a::after,
 	.markdownPreview h2 a::after,

client/styles/markdown.css

@@ -8,9 +8,11 @@ article > * + * {
 	margin-top: 2em;
 }
 
+article video,
 article img {
 	max-width: 100%;
-	margin: auto;
+	width: auto;
+	display: block;
 }
 
 article [id]::before {
@@ -111,20 +113,3 @@ article pre {
 	padding: 1rem;
 	font-size: 0.875rem;
 }
-
-/* Linkable Headers */
-
-.header-link {
-	color: inherit;
-	text-decoration: none;
-}
-
-.header-link::after {
-	opacity: 0;
-	content: "#";
-	margin-left: var(--gap-half);
-}
-
-.header-link:hover::after {
-	opacity: 1;
-}