diff --git a/quartz/components/ArticleTitle.tsx b/quartz/components/ArticleTitle.tsx
index b8d58c6..a52b2a4 100644
--- a/quartz/components/ArticleTitle.tsx
+++ b/quartz/components/ArticleTitle.tsx
@@ -1,9 +1,9 @@
 import { QuartzComponentConstructor, QuartzComponentProps } from "./types"
 
-function ArticleTitle({ fileData }: QuartzComponentProps) {
+function ArticleTitle({ fileData, displayClass }: QuartzComponentProps) {
   const title = fileData.frontmatter?.title
   if (title) {
-    return <h1 class="article-title">{title}</h1>
+    return <h1 class={`article-title ${displayClass ?? ""}`}>{title}</h1>
   } else {
     return null
   }
diff --git a/quartz/components/Backlinks.tsx b/quartz/components/Backlinks.tsx
index e88966b..c4172ce 100644
--- a/quartz/components/Backlinks.tsx
+++ b/quartz/components/Backlinks.tsx
@@ -2,11 +2,11 @@ import { QuartzComponentConstructor, QuartzComponentProps } from "./types"
 import style from "./styles/backlinks.scss"
 import { resolveRelative, simplifySlug } from "../util/path"
 
-function Backlinks({ fileData, allFiles }: QuartzComponentProps) {
+function Backlinks({ fileData, allFiles, displayClass }: QuartzComponentProps) {
   const slug = simplifySlug(fileData.slug!)
   const backlinkFiles = allFiles.filter((file) => file.links?.includes(slug))
   return (
-    <div class="backlinks">
+    <div class={`backlinks ${displayClass ?? ""}`}>
       <h3>Backlinks</h3>
       <ul class="overflow">
         {backlinkFiles.length > 0 ? (
diff --git a/quartz/components/Breadcrumbs.tsx b/quartz/components/Breadcrumbs.tsx
index f928a4c..fb2f0c6 100644
--- a/quartz/components/Breadcrumbs.tsx
+++ b/quartz/components/Breadcrumbs.tsx
@@ -58,7 +58,7 @@ export default ((opts?: Partial<BreadcrumbOptions>) => {
   // Merge options with defaults
   const options: BreadcrumbOptions = { ...defaultOptions, ...opts }
 
-  function Breadcrumbs({ fileData, allFiles }: QuartzComponentProps) {
+  function Breadcrumbs({ fileData, allFiles, displayClass }: QuartzComponentProps) {
     // Hide crumbs on root if enabled
     if (options.hideOnRoot && fileData.slug === "index") {
       return <></>
@@ -103,7 +103,7 @@ export default ((opts?: Partial<BreadcrumbOptions>) => {
       }
     }
     return (
-      <nav class="breadcrumb-container" aria-label="breadcrumbs">
+      <nav class={`breadcrumb-container ${displayClass ?? ""}`} aria-label="breadcrumbs">
         {crumbs.map((crumb, index) => (
           <div class="breadcrumb-element">
             <a href={crumb.path}>{crumb.displayName}</a>
diff --git a/quartz/components/ContentMeta.tsx b/quartz/components/ContentMeta.tsx
index 3e1b701..21dc13f 100644
--- a/quartz/components/ContentMeta.tsx
+++ b/quartz/components/ContentMeta.tsx
@@ -3,7 +3,7 @@ import { QuartzComponentConstructor, QuartzComponentProps } from "./types"
 import readingTime from "reading-time"
 
 export default (() => {
-  function ContentMetadata({ cfg, fileData }: QuartzComponentProps) {
+  function ContentMetadata({ cfg, fileData, displayClass }: QuartzComponentProps) {
     const text = fileData.text
     if (text) {
       const segments: string[] = []
@@ -14,7 +14,7 @@ export default (() => {
       }
 
       segments.push(timeTaken)
-      return <p class="content-meta">{segments.join(", ")}</p>
+      return <p class={`content-meta ${displayClass ?? ""}`}>{segments.join(", ")}</p>
     } else {
       return null
     }
diff --git a/quartz/components/Darkmode.tsx b/quartz/components/Darkmode.tsx
index afbf2bd..a668c5b 100644
--- a/quartz/components/Darkmode.tsx
+++ b/quartz/components/Darkmode.tsx
@@ -3,11 +3,11 @@
 // see: https://v8.dev/features/modules#defer
 import darkmodeScript from "./scripts/darkmode.inline"
 import styles from "./styles/darkmode.scss"
-import { QuartzComponentConstructor } from "./types"
+import { QuartzComponentConstructor, QuartzComponentProps } from "./types"
 
-function Darkmode() {
+function Darkmode({ displayClass }: QuartzComponentProps) {
   return (
-    <div class="darkmode">
+    <div class={`darkmode ${displayClass ?? ""}`}>
       <input class="toggle" id="darkmode-toggle" type="checkbox" tabIndex={-1} />
       <label id="toggle-label-light" for="darkmode-toggle" tabIndex={-1}>
         <svg
diff --git a/quartz/components/Explorer.tsx b/quartz/components/Explorer.tsx
index 79d8781..95eac43 100644
--- a/quartz/components/Explorer.tsx
+++ b/quartz/components/Explorer.tsx
@@ -86,7 +86,7 @@ export default ((userOpts?: Partial<Options>) => {
   function Explorer({ allFiles, displayClass, fileData }: QuartzComponentProps) {
     constructFileTree(allFiles)
     return (
-      <div class={`explorer ${displayClass}`}>
+      <div class={`explorer ${displayClass ?? ""}`}>
         <button
           type="button"
           id="explorer"
diff --git a/quartz/components/Footer.tsx b/quartz/components/Footer.tsx
index f33617e..54440cf 100644
--- a/quartz/components/Footer.tsx
+++ b/quartz/components/Footer.tsx
@@ -1,4 +1,4 @@
-import { QuartzComponentConstructor } from "./types"
+import { QuartzComponentConstructor, QuartzComponentProps } from "./types"
 import style from "./styles/footer.scss"
 import { version } from "../../package.json"
 
@@ -7,11 +7,11 @@ interface Options {
 }
 
 export default ((opts?: Options) => {
-  function Footer() {
+  function Footer({ displayClass }: QuartzComponentProps) {
     const year = new Date().getFullYear()
     const links = opts?.links ?? []
     return (
-      <footer>
+      <footer class={`${displayClass ?? ""}`}>
         <hr />
         <p>
           Created with <a href="https://quartz.jzhao.xyz/">Quartz v{version}</a>, © {year}
diff --git a/quartz/components/Graph.tsx b/quartz/components/Graph.tsx
index 1b8071b..0c2647f 100644
--- a/quartz/components/Graph.tsx
+++ b/quartz/components/Graph.tsx
@@ -1,4 +1,4 @@
-import { QuartzComponentConstructor } from "./types"
+import { QuartzComponentConstructor, QuartzComponentProps } from "./types"
 // @ts-ignore
 import script from "./scripts/graph.inline"
 import style from "./styles/graph.scss"
@@ -52,11 +52,11 @@ const defaultOptions: GraphOptions = {
 }
 
 export default ((opts?: GraphOptions) => {
-  function Graph() {
+  function Graph({ displayClass }: QuartzComponentProps) {
     const localGraph = { ...defaultOptions.localGraph, ...opts?.localGraph }
     const globalGraph = { ...defaultOptions.globalGraph, ...opts?.globalGraph }
     return (
-      <div class="graph">
+      <div class={`graph ${displayClass ?? ""}`}>
         <h3>Graph View</h3>
         <div class="graph-outer">
           <div id="graph-container" data-cfg={JSON.stringify(localGraph)}></div>
diff --git a/quartz/components/PageTitle.tsx b/quartz/components/PageTitle.tsx
index c327547..81d80d1 100644
--- a/quartz/components/PageTitle.tsx
+++ b/quartz/components/PageTitle.tsx
@@ -1,11 +1,11 @@
 import { pathToRoot } from "../util/path"
 import { QuartzComponentConstructor, QuartzComponentProps } from "./types"
 
-function PageTitle({ fileData, cfg }: QuartzComponentProps) {
+function PageTitle({ fileData, cfg, displayClass }: QuartzComponentProps) {
   const title = cfg?.pageTitle ?? "Untitled Quartz"
   const baseDir = pathToRoot(fileData.slug!)
   return (
-    <h1 class="page-title">
+    <h1 class={`page-title ${displayClass ?? ""}`}>
       <a href={baseDir}>{title}</a>
     </h1>
   )
diff --git a/quartz/components/RecentNotes.tsx b/quartz/components/RecentNotes.tsx
index cb14b33..63f040d 100644
--- a/quartz/components/RecentNotes.tsx
+++ b/quartz/components/RecentNotes.tsx
@@ -23,13 +23,12 @@ const defaultOptions = (cfg: GlobalConfiguration): Options => ({
 })
 
 export default ((userOpts?: Partial<Options>) => {
-  function RecentNotes(props: QuartzComponentProps) {
-    const { allFiles, fileData, displayClass, cfg } = props
+  function RecentNotes({ allFiles, fileData, displayClass, cfg }: QuartzComponentProps) {
     const opts = { ...defaultOptions(cfg), ...userOpts }
     const pages = allFiles.filter(opts.filter).sort(opts.sort)
     const remaining = Math.max(0, pages.length - opts.limit)
     return (
-      <div class={`recent-notes ${displayClass}`}>
+      <div class={`recent-notes ${displayClass ?? ""}`}>
         <h3>{opts.title}</h3>
         <ul class="recent-ul">
           {pages.slice(0, opts.limit).map((page) => {
diff --git a/quartz/components/Search.tsx b/quartz/components/Search.tsx
index bd9aa69..9c1852d 100644
--- a/quartz/components/Search.tsx
+++ b/quartz/components/Search.tsx
@@ -1,12 +1,12 @@
-import { QuartzComponentConstructor } from "./types"
+import { QuartzComponentConstructor, QuartzComponentProps } from "./types"
 import style from "./styles/search.scss"
 // @ts-ignore
 import script from "./scripts/search.inline"
 
 export default (() => {
-  function Search() {
+  function Search({ displayClass }: QuartzComponentProps) {
     return (
-      <div class="search">
+      <div class={`search ${displayClass ?? ""}`}>
         <div id="search-icon">
           <p>Search</p>
           <div></div>
diff --git a/quartz/components/Spacer.tsx b/quartz/components/Spacer.tsx
index b9d5bb6..8359111 100644
--- a/quartz/components/Spacer.tsx
+++ b/quartz/components/Spacer.tsx
@@ -1,8 +1,7 @@
 import { QuartzComponentConstructor, QuartzComponentProps } from "./types"
 
 function Spacer({ displayClass }: QuartzComponentProps) {
-  const className = displayClass ? `spacer ${displayClass}` : "spacer"
-  return <div class={className}></div>
+  return <div class={`spacer ${displayClass ?? ""}`}></div>
 }
 
 export default (() => Spacer) satisfies QuartzComponentConstructor
diff --git a/quartz/components/TableOfContents.tsx b/quartz/components/TableOfContents.tsx
index 4604565..3847726 100644
--- a/quartz/components/TableOfContents.tsx
+++ b/quartz/components/TableOfContents.tsx
@@ -19,7 +19,7 @@ function TableOfContents({ fileData, displayClass }: QuartzComponentProps) {
   }
 
   return (
-    <div class={`toc ${displayClass}`}>
+    <div class={`toc ${displayClass ?? ""}`}>
       <button type="button" id="toc">
         <h3>Table of Contents</h3>
         <svg
diff --git a/quartz/components/TagList.tsx b/quartz/components/TagList.tsx
index 36c8418..c763b14 100644
--- a/quartz/components/TagList.tsx
+++ b/quartz/components/TagList.tsx
@@ -1,12 +1,12 @@
 import { pathToRoot, slugTag } from "../util/path"
 import { QuartzComponentConstructor, QuartzComponentProps } from "./types"
 
-function TagList({ fileData }: QuartzComponentProps) {
+function TagList({ fileData, displayClass }: QuartzComponentProps) {
   const tags = fileData.frontmatter?.tags
   const baseDir = pathToRoot(fileData.slug!)
   if (tags && tags.length > 0) {
     return (
-      <ul class="tags">
+      <ul class={`tags ${displayClass ?? ""}`}>
         {tags.map((tag) => {
           const display = `#${tag}`
           const linkDest = baseDir + `/tags/${slugTag(tag)}`