diff --git a/src/components/Library/ContentTOCLine.tsx b/src/components/Library/ContentTOCLine.tsx
new file mode 100644
index 0000000..9001184
--- /dev/null
+++ b/src/components/Library/ContentTOCLine.tsx
@@ -0,0 +1,108 @@
+import Button from "components/Button";
+import Chip from "components/Chip";
+import {
+  GetLibraryItemQuery,
+  GetWebsiteInterfaceQuery,
+} from "graphql/operations-types";
+import { prettyinlineTitle, prettySlug } from "queries/helpers";
+import { useState } from "react";
+
+type ContentTOCLineProps = {
+  content: GetLibraryItemQuery["libraryItems"]["data"][number]["attributes"]["contents"]["data"][number];
+  parentSlug: string;
+  langui: GetWebsiteInterfaceQuery["websiteInterfaces"]["data"][number]["attributes"];
+};
+
+export default function ContentTOCLine(
+  props: ContentTOCLineProps
+): JSX.Element {
+  const content = props.content;
+  const langui = props.langui;
+
+  const [opened, setOpened] = useState(false);
+
+  return (
+    <div
+      className={`grid gap-2 px-4 rounded-lg ${
+        opened && "bg-mid shadow-inner-sm shadow-shade h-auto py-3 my-2"
+      }`}
+    >
+      <div className="grid gap-4 place-items-center grid-cols-[auto_auto_1fr_auto_12ch] thin:grid-cols-[auto_auto_1fr_auto]">
+        <a>
+          <h3 className="cursor-pointer" onClick={() => setOpened(!opened)}>
+            {content.attributes.content.data &&
+            content.attributes.content.data.attributes.titles.length > 0
+              ? prettyinlineTitle(
+                  content.attributes.content.data.attributes.titles[0]
+                    .pre_title,
+                  content.attributes.content.data.attributes.titles[0].title,
+                  content.attributes.content.data.attributes.titles[0].subtitle
+                )
+              : prettySlug(content.attributes.slug, props.parentSlug)}
+          </h3>
+        </a>
+        <div className="flex flex-row flex-wrap gap-1">
+          {content.attributes.content.data?.attributes.categories.data.map(
+            (category) => (
+              <Chip key={category.id}>{category.attributes.short}</Chip>
+            )
+          )}
+        </div>
+        <p className="border-b-2 h-4 w-full border-black border-dotted opacity-30"></p>
+        <p>
+          {content.attributes.range[0].__typename === "ComponentRangePageRange"
+            ? content.attributes.range[0].starting_page
+            : ""}
+        </p>
+        {content.attributes.content.data ? (
+          <Chip className="justify-self-end thin:hidden">
+            {content.attributes.content.data.attributes.type.data.attributes
+              .titles.length > 0
+              ? content.attributes.content.data.attributes.type.data.attributes
+                  .titles[0].title
+              : prettySlug(
+                  content.attributes.content.data.attributes.type.data
+                    .attributes.slug
+                )}
+          </Chip>
+        ) : (
+          ""
+        )}
+      </div>
+      <div
+        className={`grid-flow-col place-content-start place-items-center gap-2 ${
+          opened ? "grid" : "hidden"
+        }`}
+      >
+        <span className="material-icons text-dark">
+          subdirectory_arrow_right
+        </span>
+
+        {content.attributes.scan_set.length > 0 ? (
+          <Button
+            href={`/contents/${content.attributes.content.data.attributes.slug}/scans/`}
+          >
+            {langui.view_scans}
+          </Button>
+        ) : (
+          ""
+        )}
+
+        {content.attributes.content.data ? (
+          <Button
+            href={`/contents/${content.attributes.content.data.attributes.slug}`}
+          >
+            {langui.open_content}
+          </Button>
+        ) : (
+          ""
+        )}
+
+        {content.attributes.scan_set.length === 0 &&
+        !content.attributes.content.data
+          ? "The content is not available"
+          : ""}
+      </div>
+    </div>
+  );
+}
diff --git a/src/pages/library/[slug].tsx b/src/pages/library/[slug].tsx
index 8261f4d..01f1c0c 100644
--- a/src/pages/library/[slug].tsx
+++ b/src/pages/library/[slug].tsx
@@ -37,6 +37,7 @@ import InsetBox from "components/InsetBox";
 import Img, { ImageQuality } from "components/Img";
 import { useAppLayout } from "contexts/AppLayoutContext";
 import { useRouter } from "next/router";
+import ContentTOCLine from "components/Library/ContentTOCLine";
 
 interface LibrarySlugProps {
   libraryItem: GetLibraryItemQuery;
@@ -347,90 +348,12 @@ export default function LibrarySlug(props: LibrarySlugProps): JSX.Element {
             <h2 className="text-2xl">{langui.contents}</h2>
             <div className="grid gap-4 w-full">
               {item.contents.data.map((content) => (
-                <div
-                  id={content.attributes.slug}
+                <ContentTOCLine
+                  langui={langui}
+                  content={content}
+                  parentSlug={item.slug}
                   key={content.id}
-                  className="grid gap-2 px-4 rounded-lg target:bg-mid target:shadow-inner-sm target:shadow-shade target:h-auto target:py-3 target:my-2 target:[--displaySubContentMenu:grid] [--displaySubContentMenu:none]"
-                >
-                  <div className="grid gap-4 place-items-center grid-cols-[auto_auto_1fr_auto_12ch] thin:grid-cols-[auto_auto_1fr_auto]">
-                    <a href={`#${content.attributes.slug}`}>
-                      <h3>
-                        {content.attributes.content.data &&
-                        content.attributes.content.data.attributes.titles
-                          .length > 0
-                          ? prettyinlineTitle(
-                              content.attributes.content.data.attributes
-                                .titles[0].pre_title,
-                              content.attributes.content.data.attributes
-                                .titles[0].title,
-                              content.attributes.content.data.attributes
-                                .titles[0].subtitle
-                            )
-                          : prettySlug(content.attributes.slug, item.slug)}
-                      </h3>
-                    </a>
-                    <div className="flex flex-row flex-wrap gap-1">
-                      {content.attributes.content.data?.attributes.categories.data.map(
-                        (category) => (
-                          <Chip key={category.id}>
-                            {category.attributes.short}
-                          </Chip>
-                        )
-                      )}
-                    </div>
-                    <p className="border-b-2 h-4 w-full border-black border-dotted opacity-30"></p>
-                    <p>
-                      {content.attributes.range[0].__typename ===
-                      "ComponentRangePageRange"
-                        ? content.attributes.range[0].starting_page
-                        : ""}
-                    </p>
-                    {content.attributes.content.data ? (
-                      <Chip className="justify-self-end thin:hidden">
-                        {content.attributes.content.data.attributes.type.data
-                          .attributes.titles.length > 0
-                          ? content.attributes.content.data.attributes.type.data
-                              .attributes.titles[0].title
-                          : prettySlug(
-                              content.attributes.content.data.attributes.type
-                                .data.attributes.slug
-                            )}
-                      </Chip>
-                    ) : (
-                      ""
-                    )}
-                  </div>
-                  <div className="grid-flow-col place-content-start place-items-center gap-2 [display:var(--displaySubContentMenu)]">
-                    <span className="material-icons text-dark">
-                      subdirectory_arrow_right
-                    </span>
-
-                    {content.attributes.scan_set.length > 0 ? (
-                      <Button
-                        href={`/contents/${content.attributes.content.data.attributes.slug}/scans/`}
-                      >
-                        {langui.view_scans}
-                      </Button>
-                    ) : (
-                      ""
-                    )}
-
-                    {content.attributes.content.data ? (
-                      <Button
-                        href={`/contents/${content.attributes.content.data.attributes.slug}`}
-                      >
-                        {langui.open_content}
-                      </Button>
-                    ) : (
-                      ""
-                    )}
-
-                    {content.attributes.scan_set.length === 0 &&
-                    !content.attributes.content.data
-                      ? "The content is not available"
-                      : ""}
-                  </div>
-                </div>
+                />
               ))}
             </div>
           </div>