diff --git a/_extensions/quarto-openapi/_extension.yml b/_extensions/quarto-openapi/_extension.yml
index c2c20a9..24f88cf 100644
--- a/_extensions/quarto-openapi/_extension.yml
+++ b/_extensions/quarto-openapi/_extension.yml
@@ -1,7 +1,7 @@
 title: quarto-openapi
 author: Posit Software, PBC
-version: 0.1.2
-quarto-required: ">=1.5.0"
+version: 0.2.0
+quarto-required: ">=1.6.0"
 contributes:
   metadata:
     project:
diff --git a/_extensions/quarto-openapi/openapi-to-markdown.ts b/_extensions/quarto-openapi/openapi-to-markdown.ts
index 83227d3..89a4ff7 100644
--- a/_extensions/quarto-openapi/openapi-to-markdown.ts
+++ b/_extensions/quarto-openapi/openapi-to-markdown.ts
@@ -12,8 +12,8 @@
  *     output: "api/index.qmd"
  */
 
-import { parse as parseYaml, stringify as stringifyYaml } from "https://deno.land/std@0.224.0/yaml/mod.ts";
-import { join, dirname, extname } from "https://deno.land/std@0.224.0/path/mod.ts";
+import { parse as parseYaml, stringify as stringifyYaml } from "stdlib/yaml";
+import { join, dirname, extname } from "stdlib/path";
 import type { OpenAPISpec } from "./lib/types.ts";
 import { groupByResource, renderSection } from "./lib/sections.ts";
 
diff --git a/example/_extensions/quarto-openapi/_extension.yml b/example/_extensions/quarto-openapi/_extension.yml
index d8039d3..2b1f652 100644
--- a/example/_extensions/quarto-openapi/_extension.yml
+++ b/example/_extensions/quarto-openapi/_extension.yml
@@ -1,9 +1,13 @@
 title: quarto-openapi
 author: Posit Software, PBC
-version: 0.1.0
-quarto-required: ">=1.5.0"
+version: 0.2.0
+quarto-required: ">=1.6.0"
 contributes:
   metadata:
     project:
       pre-render:
         - _extensions/quarto-openapi/openapi-to-markdown.ts
+  format:
+    html:
+      css:
+        - quarto-openapi-styles.css
diff --git a/example/_extensions/quarto-openapi/lib/markdown.ts b/example/_extensions/quarto-openapi/lib/markdown.ts
index c88fa50..8b34df5 100644
--- a/example/_extensions/quarto-openapi/lib/markdown.ts
+++ b/example/_extensions/quarto-openapi/lib/markdown.ts
@@ -55,6 +55,7 @@ export function gridTable(headers: string[], rows: TableRow[]): string[] {
     }
   };
 
+  lines.push("::: {.quarto-openapi-table}");
   lines.push(separator("-"));
   emitRow(headerLines);
   lines.push(separator("="));
@@ -64,6 +65,8 @@ export function gridTable(headers: string[], rows: TableRow[]): string[] {
     lines.push(separator("-"));
   }
 
+  lines.push(":::");
+
   return lines;
 }
 
diff --git a/example/_extensions/quarto-openapi/lib/schema.ts b/example/_extensions/quarto-openapi/lib/schema.ts
index fff383f..118f2ff 100644
--- a/example/_extensions/quarto-openapi/lib/schema.ts
+++ b/example/_extensions/quarto-openapi/lib/schema.ts
@@ -158,7 +158,9 @@ function flattenProperties(
   for (const [name, prop] of Object.entries(properties)) {
     const resolved = isReference(prop) ? resolve<Schema>(spec, prop) : prop;
     const displayName = prefix ? `${prefix}.${name}` : name;
-    const indent = "  ".repeat(depth);
+    const nameCell = depth > 0
+      ? `[\`${displayName}\`]{.schema-nest-${depth}}`
+      : `\`${displayName}\``;
 
     if (
       (resolved.type === "object" || resolved.properties) &&
@@ -167,7 +169,7 @@ function flattenProperties(
     ) {
       // Nested object: emit a row for the object itself, then recurse
       rows.push({
-        name: `${indent}\`${displayName}\``,
+        name: nameCell,
         type: "`object`",
         description: resolved.description || "",
       });
@@ -183,7 +185,7 @@ function flattenProperties(
     } else if (resolved.allOf) {
       const merged = mergeAllOf(spec, resolved.allOf);
       rows.push({
-        name: `${indent}\`${displayName}\``,
+        name: nameCell,
         type: "`object`",
         description: resolved.description || merged.description || "",
       });
@@ -205,7 +207,7 @@ function flattenProperties(
 
       if (items.type === "object" || items.properties || items.allOf) {
         rows.push({
-          name: `${indent}\`${displayName}\``,
+          name: nameCell,
           type: "`[object]`",
           description: buildDescription(resolved, requiredSet.has(name)),
         });
@@ -224,14 +226,14 @@ function flattenProperties(
       } else {
         const itemType = items.type || "unknown";
         rows.push({
-          name: `${indent}\`${displayName}\``,
+          name: nameCell,
           type: `\`[${itemType}]\``,
           description: buildDescription(resolved, requiredSet.has(name)),
         });
       }
     } else {
       rows.push({
-        name: `${indent}\`${displayName}\``,
+        name: nameCell,
         type: `\`${formatTypeString(resolved)}\``,
         description: buildDescription(resolved, requiredSet.has(name)),
       });
diff --git a/example/_extensions/quarto-openapi/lib/sections.ts b/example/_extensions/quarto-openapi/lib/sections.ts
index d6d13dd..143bd15 100644
--- a/example/_extensions/quarto-openapi/lib/sections.ts
+++ b/example/_extensions/quarto-openapi/lib/sections.ts
@@ -123,10 +123,28 @@ export function groupByResource(spec: OpenAPISpec): Section[] {
     }
   }
 
-  // Preserve insertion order (first-seen tag order).
+  // Determine section order: use spec.tags when present, otherwise first-seen.
+  const orderedNames: string[] = [];
+  if (spec.tags && spec.tags.length > 0) {
+    for (const tag of spec.tags) {
+      if (sectionMap.has(tag.name)) {
+        orderedNames.push(tag.name);
+      }
+    }
+    // Append any tags not listed in spec.tags (first-seen order).
+    for (const name of sectionMap.keys()) {
+      if (!orderedNames.includes(name)) {
+        orderedNames.push(name);
+      }
+    }
+  } else {
+    orderedNames.push(...sectionMap.keys());
+  }
+
   // Sort endpoints within each section by path then method.
   const sections: Section[] = [];
-  for (const [name, endpoints] of sectionMap) {
+  for (const name of orderedNames) {
+    const endpoints = sectionMap.get(name)!;
     endpoints.sort((a, b) => {
       const pathCmp = a.path.localeCompare(b.path);
       if (pathCmp !== 0) return pathCmp;
@@ -155,6 +173,50 @@ export function renderSection(spec: OpenAPISpec, section: Section): string[] {
   return lines;
 }
 
+/**
+ * Shift markdown headings in a description so the highest heading
+ * becomes h4 (one level below the endpoint h3).
+ * Headings inside fenced code blocks are left untouched.
+ */
+function shiftHeadings(description: string): string {
+  const lines = description.split("\n");
+  const headingRe = /^(#{1,6})\s/;
+
+  // First pass: find minimum heading level outside code fences.
+  let minLevel = 7;
+  let inFence = false;
+  for (const line of lines) {
+    if (/^```/.test(line)) {
+      inFence = !inFence;
+      continue;
+    }
+    if (inFence) continue;
+    const m = headingRe.exec(line);
+    if (m) minLevel = Math.min(minLevel, m[1].length);
+  }
+
+  if (minLevel >= 7) return description; // no headings found
+
+  const shift = 4 - minLevel;
+  if (shift <= 0) return description;
+
+  // Second pass: shift headings outside code fences.
+  inFence = false;
+  const result = lines.map((line) => {
+    if (/^```/.test(line)) {
+      inFence = !inFence;
+      return line;
+    }
+    if (inFence) return line;
+    return line.replace(headingRe, (_full, hashes: string) => {
+      const newLevel = Math.min(hashes.length + shift, 6);
+      return "#".repeat(newLevel) + " ";
+    });
+  });
+
+  return result.join("\n");
+}
+
 function renderEndpoint(spec: OpenAPISpec, endpoint: Endpoint): string[] {
   const { method, path, operation } = endpoint;
   const title = operation.summary || `${methodBadge(method)} ${path}`;
@@ -178,9 +240,9 @@ function renderEndpoint(spec: OpenAPISpec, endpoint: Endpoint): string[] {
     lines.push("");
   }
 
-  // Description
+  // Description — shift headings so they nest below the endpoint h3
   if (operation.description) {
-    lines.push(operation.description);
+    lines.push(shiftHeadings(operation.description));
     lines.push("");
   }
 
diff --git a/example/_extensions/quarto-openapi/openapi-to-markdown.ts b/example/_extensions/quarto-openapi/openapi-to-markdown.ts
index 9bcde27..89a4ff7 100644
--- a/example/_extensions/quarto-openapi/openapi-to-markdown.ts
+++ b/example/_extensions/quarto-openapi/openapi-to-markdown.ts
@@ -12,8 +12,8 @@
  *     output: "api/index.qmd"
  */
 
-import { parse as parseYaml, stringify as stringifyYaml } from "https://deno.land/std@0.224.0/yaml/mod.ts";
-import { join, dirname, extname } from "https://deno.land/std@0.224.0/path/mod.ts";
+import { parse as parseYaml, stringify as stringifyYaml } from "stdlib/yaml";
+import { join, dirname, extname } from "stdlib/path";
 import type { OpenAPISpec } from "./lib/types.ts";
 import { groupByResource, renderSection } from "./lib/sections.ts";
 
@@ -103,6 +103,8 @@ async function main() {
   // YAML frontmatter — use a proper serializer to avoid injection via title
   const frontmatter = stringifyYaml({
     title: spec.info.title,
+    "page-layout": "full",
+    "toc-location": "left",
     toc: true,
     "toc-depth": 3,
     "toc-expand": 1,
diff --git a/example/_extensions/quarto-openapi/quarto-openapi-styles.css b/example/_extensions/quarto-openapi/quarto-openapi-styles.css
new file mode 100644
index 0000000..ee9e97e
--- /dev/null
+++ b/example/_extensions/quarto-openapi/quarto-openapi-styles.css
@@ -0,0 +1,28 @@
+/* Schema table layout */
+.quarto-openapi-table {
+  overflow-x: auto;
+}
+
+.quarto-openapi-table colgroup {
+  display: none;
+}
+
+.quarto-openapi-table table {
+  table-layout: auto;
+}
+
+.quarto-openapi-table td:first-child,
+.quarto-openapi-table th:first-child {
+  white-space: nowrap;
+}
+
+.quarto-openapi-table td:nth-child(2),
+.quarto-openapi-table th:nth-child(2) {
+  white-space: nowrap;
+}
+
+/* Nesting indentation for schema property tables */
+.schema-nest-1 { padding-left: 1em; }
+.schema-nest-2 { padding-left: 2em; }
+.schema-nest-3 { padding-left: 3em; }
+.schema-nest-4 { padding-left: 4em; }