styling fixes for stacking order and overflow

quartz/components/PageList.tsx

@@ -48,7 +48,7 @@ export function PageList({ fileData, allFiles }: QuartzComponentProps) {
                 {tags.map((tag) => (
                   <li>
                     <a
-                      class="internal"
+                      class="internal tag-link"
                       href={resolveRelative(slug, `tags/${tag}` as CanonicalSlug)}
                     >
                       #{tag}
@@ -68,4 +68,8 @@ PageList.css = `
 .section h3 {
   margin: 0;
 }
+
+.section > .tags {
+  margin: 0;
+}
 `