refactor(theme): use Obsidian CSS custom property names

quartz/components/PageList.tsx

@@ -75,7 +75,10 @@ export const PageList: QuartzComponent = ({ cfg, fileData, allFiles, limit, sort
               <p class="meta">{page.dates && <Date date={getDate(page)!} locale={cfg.locale} />}</p>
               <div class="desc">
                 <h3>
-                  <a href={resolveRelative(fileData.slug!, page.slug!)} class="internal">
+                  <a
+                    href={resolveRelative(fileData.slug!, page.slug!)}
+                    class="internal internal-link"
+                  >
                     {title}
                   </a>
                 </h3>

quartz/components/renderPage.tsx

@@ -141,7 +141,10 @@ function renderTranscludes(
               {
                 type: "element",
                 tagName: "a",
-                properties: { href: inner.properties?.href, class: ["internal", "transclude-src"] },
+                properties: {
+                  href: inner.properties?.href,
+                  class: ["internal", "internal-link", "transclude-src"],
+                },
                 children: [
                   { type: "text", value: i18n(cfg.locale).components.transcludes.linkToOriginal },
                 ],
@@ -184,7 +187,10 @@ function renderTranscludes(
             {
               type: "element",
               tagName: "a",
-              properties: { href: inner.properties?.href, class: ["internal", "transclude-src"] },
+              properties: {
+                href: inner.properties?.href,
+                class: ["internal", "internal-link", "transclude-src"],
+              },
               children: [
                 { type: "text", value: i18n(cfg.locale).components.transcludes.linkToOriginal },
               ],
@@ -214,7 +220,10 @@ function renderTranscludes(
             {
               type: "element",
               tagName: "a",
-              properties: { href: inner.properties?.href, class: ["internal", "transclude-src"] },
+              properties: {
+                href: inner.properties?.href,
+                class: ["internal", "internal-link", "transclude-src"],
+              },
               children: [
                 { type: "text", value: i18n(cfg.locale).components.transcludes.linkToOriginal },
               ],