diff --git a/src/components/api-request.js b/src/components/api-request.js
index 97784e06..53316278 100644
--- a/src/components/api-request.js
+++ b/src/components/api-request.js
@@ -403,6 +403,9 @@ export default class ApiRequest extends LitElement {
                               allow-schema-description-expand-toggle = "${this.allowSchemaDescriptionExpandToggle}",
                               schema-hide-read-only = "${this.schemaHideReadOnly.includes(this.method)}"
                               schema-hide-write-only = "${this.schemaHideWriteOnly.includes(this.method)}"
+                              exportparts = "btn:btn, btn-fill:btn-fill, btn-outline:btn-outline, btn-try:btn-try, btn-clear:btn-clear, btn-clear-resp:btn-clear-resp,
+            file-input:file-input, textbox:textbox, textbox-param:textbox-param, textarea:textarea, textarea-param:textarea-param, 
+            anchor:anchor, anchor-param-example:anchor-param-example"
                             > </schema-tree>
                           </div>`
                         }
@@ -649,6 +652,7 @@ export default class ApiRequest extends LitElement {
               allow-schema-description-expand-toggle = "${this.allowSchemaDescriptionExpandToggle}",
               schema-hide-read-only = "${this.schemaHideReadOnly}"
               schema-hide-write-only = "${this.schemaHideWriteOnly}"
+              exportparts = "schema-description:schema-description, schema-multiline-toggle:schema-multiline-toggle"
             > </schema-table>
           `;
         } else if (this.schemaStyle === 'tree') {
@@ -663,6 +667,7 @@ export default class ApiRequest extends LitElement {
               allow-schema-description-expand-toggle = "${this.allowSchemaDescriptionExpandToggle}",
               schema-hide-read-only = "${this.schemaHideReadOnly}"
               schema-hide-write-only = "${this.schemaHideWriteOnly}"
+              exportparts = "schema-description:schema-description, schema-multiline-toggle:schema-multiline-toggle"
             > </schema-tree>
           `;
         }
diff --git a/src/components/schema-table.js b/src/components/schema-table.js
index ed1be1b8..fa984b73 100644
--- a/src/components/schema-table.js
+++ b/src/components/schema-table.js
@@ -92,7 +92,7 @@ export default class SchemaTable extends LitElement {
           ${this.allowSchemaDescriptionExpandToggle === 'true'
             ? html`
               <div style="flex:1"></div>
-              <div class='toolbar-item' @click='${() => { this.schemaDescriptionExpanded = (this.schemaDescriptionExpanded === 'true' ? 'false' : 'true'); }}'> 
+              <div part="schema-multiline-toggle" class='toolbar-item' @click='${() => { this.schemaDescriptionExpanded = (this.schemaDescriptionExpanded === 'true' ? 'false' : 'true'); }}'> 
                 ${this.schemaDescriptionExpanded === 'true' ? 'Single line description' : 'Multiline description'}
               </div>
             `
@@ -100,7 +100,7 @@ export default class SchemaTable extends LitElement {
           }
         </div>
         ${this.data?.['::description']
-          ? html`<span class='m-markdown'> ${unsafeHTML(marked(this.data['::description'] || ''))}</span>`
+          ? html`<span part="schema-description" class='m-markdown'> ${unsafeHTML(marked(this.data['::description'] || ''))}</span>`
           : ''
         }
         <div style = 'border:1px solid var(--light-border-color)'>
diff --git a/src/components/schema-tree.js b/src/components/schema-tree.js
index 3f32b573..8fd30c33 100644
--- a/src/components/schema-tree.js
+++ b/src/components/schema-tree.js
@@ -107,7 +107,7 @@ export default class SchemaTree extends LitElement {
           ${this.allowSchemaDescriptionExpandToggle === 'true'
             ? html`
               <div style="flex:1"></div>
-              <div class='toolbar-item' @click='${() => { this.schemaDescriptionExpanded = (this.schemaDescriptionExpanded === 'true' ? 'false' : 'true'); }}'> 
+              <div part="schema-toolbar-item schema-multiline-toggle" class='toolbar-item' @click='${() => { this.schemaDescriptionExpanded = (this.schemaDescriptionExpanded === 'true' ? 'false' : 'true'); }}'> 
                 ${this.schemaDescriptionExpanded === 'true' ? 'Single line description' : 'Multiline description'}
               </div>
             `
@@ -115,7 +115,7 @@ export default class SchemaTree extends LitElement {
           }
         </div>
         ${this.data?.['::description']
-          ? html`<span class='m-markdown'> ${unsafeHTML(marked(this.data['::description'] || ''))}</span>`
+          ? html`<span part="schema-description" class='m-markdown'> ${unsafeHTML(marked(this.data['::description'] || ''))}</span>`
           : ''
         }
         ${this.data
diff --git a/src/templates/callback-template.js b/src/templates/callback-template.js
index dbd5d96f..fe3b7983 100644
--- a/src/templates/callback-template.js
+++ b/src/templates/callback-template.js
@@ -42,7 +42,7 @@ export default function callbackTemplate(callbacks) {
                       fetch-credentials = "${this.fetchCredentials}"
                       exportparts = "btn:btn, btn-fill:btn-fill, btn-outline:btn-outline, btn-try:btn-try, btn-clear:btn-clear, btn-clear-resp:btn-clear-resp,
                         file-input:file-input, textbox:textbox, textbox-param:textbox-param, textarea:textarea, textarea-param:textarea-param, 
-                        anchor:anchor, anchor-param-example:anchor-param-example"
+                        anchor:anchor, anchor-param-example:anchor-param-example, schema-description:schema-description, schema-multiline-toggle:schema-multiline-toggle"
                     > </api-request>
 
                     <api-response
@@ -58,7 +58,8 @@ export default function callbackTemplate(callbacks) {
                       allow-schema-description-expand-toggle = "${this.allowSchemaDescriptionExpandToggle}"
                       schema-hide-read-only = "${this.schemaHideReadOnly}"
                       schema-hide-write-only = "false"
-                      exportparts = "btn:btn, btn-response-status:btn-response-status, btn-selected-response-status:btn-selected-response-status, btn-fill:btn-fill, btn-copy:btn-copy"
+                      exportparts = "btn:btn, btn-response-status:btn-response-status, btn-selected-response-status:btn-selected-response-status, btn-fill:btn-fill, btn-copy:btn-copy,
+                      schema-description:schema-description, schema-multiline-toggle:schema-multiline-toggle"
                     > </api-response>
                   </div>
                 </div>  
diff --git a/src/templates/components-template.js b/src/templates/components-template.js
index be3b9b2c..bd5601c3 100644
--- a/src/templates/components-template.js
+++ b/src/templates/components-template.js
@@ -21,6 +21,7 @@ function schemaBodyTemplate(sComponent) {
         allow-schema-description-expand-toggle = "${this.allowSchemaDescriptionExpandToggle}",
         schema-hide-read-only = "false"
         schema-hide-write-only = "${this.schemaHideWriteOnly}"
+        exportparts = "schema-description:schema-description, schema-multiline-toggle:schema-multiline-toggle"
       > </schema-tree> `
     : html`
       <schema-tree
@@ -31,6 +32,7 @@ function schemaBodyTemplate(sComponent) {
         allow-schema-description-expand-toggle = "${this.allowSchemaDescriptionExpandToggle}",
         schema-hide-read-only = "false"
         schema-hide-write-only = "${this.schemaHideWriteOnly}"
+        exportparts = "schema-description:schema-description, schema-multiline-toggle:schema-multiline-toggle"
       > </schema-tree>`
 }
   </div>`;
diff --git a/src/templates/endpoint-template.js b/src/templates/endpoint-template.js
index 3eab4030..75f3ecf3 100644
--- a/src/templates/endpoint-template.js
+++ b/src/templates/endpoint-template.js
@@ -46,9 +46,9 @@ function onExpandCollapseAll(e, action = 'expand-all') {
 /* eslint-disable indent */
 function endpointHeadTemplate(path, pathsExpanded = false) {
   return html`
-  <summary @click="${(e) => { toggleExpand.call(this, path, e); }}" part="endpoint-head" class='endpoint-head ${path.method} ${path.deprecated ? 'deprecated' : ''} ${pathsExpanded || path.expanded ? 'expanded' : 'collapsed'}'>
-    <div part="endpoint-head-method" class="method ${path.method} ${path.deprecated ? 'deprecated' : ''}"> ${path.method} </div> 
-    <div class="path ${path.deprecated ? 'deprecated' : ''}"> 
+  <summary @click="${(e) => { toggleExpand.call(this, path, e); }}" part="section-endpoint-head" class='endpoint-head ${path.method} ${path.deprecated ? 'deprecated' : ''} ${pathsExpanded || path.expanded ? 'expanded' : 'collapsed'}'>
+    <div part="section-endpoint-head-method" class="method ${path.method} ${path.deprecated ? 'deprecated' : ''}"> ${path.method} </div> 
+    <div  part="section-endpoint-head-path" class="path ${path.deprecated ? 'deprecated' : ''}"> 
       ${path.path} 
       ${path.isWebhook ? html`<span style="font-family: var(--font-regular); font-size: var(--); font-size: var(--font-size-small); color:var(--primary-color); margin-left: 16px"> Webhook</span>` : ''}
     </div>
@@ -62,7 +62,7 @@ function endpointHeadTemplate(path, pathsExpanded = false) {
     ${this.showSummaryWhenCollapsed
       ? html`
         <div class="only-large-screen" style="min-width:60px; flex:1"></div>
-        <div part="endpoint-head-summary" class="descr">${path.summary || path.shortSummary} </div>`
+        <div part="section-endpoint-head-description" class="descr">${path.summary || path.shortSummary} </div>`
       : ''
     }
   </summary>
@@ -88,19 +88,19 @@ function endpointBodyTemplate(path) {
 
   const codeSampleTabPanel = path.xCodeSamples ? codeSamplesTemplate(path.xCodeSamples) : '';
   return html`
-  <div class='endpoint-body ${path.method} ${path.deprecated ? 'deprecated' : ''}'>
+  <div part="section-end-point-body" class='endpoint-body ${path.method} ${path.deprecated ? 'deprecated' : ''}'>
     <div class="summary">
       ${path.summary
-        ? html`<div class="title">${path.summary}<div>`
+        ? html`<div class="title" part="section-end-point-body-title">${path.summary}<div>`
         : path.shortSummary !== path.description
-          ? html`<div class="title">${path.shortSummary}</div>`
+          ? html`<div class="title" part="section-end-point-body-title">${path.shortSummary}</div>`
           : ''
       }
       ${path.xBadges && path.xBadges?.length > 0
         ? html`
           <div style="display:flex; flex-wrap:wrap;font-size: var(--font-size-small);">
             ${path.xBadges.map((v) => (
-                html`<span style="margin:1px; margin-right:5px; padding:1px 8px; font-weight:bold; border-radius:12px;  background-color: var(--light-${v.color}, var(--input-bg)); color:var(--${v.color}); border:1px solid var(--${v.color})">${v.label}</span>`
+                html`<span part="endpoint-badge" style="margin:1px; margin-right:5px; padding:1px 8px; font-weight:bold; border-radius:12px;  background-color: var(--light-${v.color}, var(--input-bg)); color:var(--${v.color}); border:1px solid var(--${v.color})">${v.label}</span>`
               ))
             }
           </div>
@@ -108,7 +108,7 @@ function endpointBodyTemplate(path) {
         : ''
       }
 
-      ${path.description ? html`<div class="m-markdown"> ${unsafeHTML(marked(path.description))}</div>` : ''}
+      ${path.description ? html`<div  part="section-end-point-body-description" class="m-markdown"> ${unsafeHTML(marked(path.description))}</div>` : ''}
       <slot name="${path.elementId}"></slot>
       ${pathSecurityTemplate.call(this, path.security)}
       ${codeSampleTabPanel}
@@ -141,7 +141,7 @@ function endpointBodyTemplate(path) {
           fetch-credentials = "${this.fetchCredentials}"
           exportparts = "btn:btn, btn-fill:btn-fill, btn-outline:btn-outline, btn-try:btn-try, btn-clear:btn-clear, btn-clear-resp:btn-clear-resp,
             file-input:file-input, textbox:textbox, textbox-param:textbox-param, textarea:textarea, textarea-param:textarea-param, 
-            anchor:anchor, anchor-param-example:anchor-param-example"
+            anchor:anchor, anchor-param-example:anchor-param-example, schema-description:schema-description, schema-multiline-toggle:schema-multiline-toggle"
         > </api-request>
 
           ${path.callbacks ? callbackTemplate.call(this, path.callbacks) : ''}
@@ -160,8 +160,9 @@ function endpointBodyTemplate(path) {
         schema-hide-read-only = "${path.isWebhook ? this.schemaHideWriteOnly : this.schemaHideReadOnly}"
         schema-hide-write-only = "${path.isWebhook ? this.schemaHideReadOnly : this.schemaHideWriteOnly}"
         selected-status = "${Object.keys(path.responses || {})[0] || ''}"
-        exportparts = 
-        "btn:btn, btn-fill:btn-fill, btn-outline:btn-outline, btn-try:btn-try, file-input:file-input, textbox:textbox, textbox-param:textbox-param, textarea:textarea, textarea-param:textarea-param, anchor:anchor, anchor-param-example:anchor-param-example, btn-clear-resp:btn-clear-resp"
+        exportparts = "btn:btn, btn-fill:btn-fill, btn-outline:btn-outline, btn-try:btn-try, file-input:file-input, 
+        textbox:textbox, textbox-param:textbox-param, textarea:textarea, textarea-param:textarea-param, anchor:anchor, anchor-param-example:anchor-param-example, btn-clear-resp:btn-clear-resp,
+        schema-description:schema-description, schema-multiline-toggle:schema-multiline-toggle"
       > </api-response>
     </div>
   </div>`;
@@ -202,7 +203,7 @@ export default function endpointTemplate(showExpandCollapse = true, showTags = t
                 }
                 return true;
                 }).map((path) => html`
-                <section id='${path.elementId}' class='m-endpoint regular-font ${path.method} ${pathsExpanded || path.expanded ? 'expanded' : 'collapsed'}'>
+                <section part="section-end-point" id='${path.elementId}' class='m-endpoint regular-font ${path.method} ${pathsExpanded || path.expanded ? 'expanded' : 'collapsed'}'>
                   ${endpointHeadTemplate.call(this, path, pathsExpanded)}      
                   ${pathsExpanded || path.expanded ? endpointBodyTemplate.call(this, path) : ''}
                 </section>`)
diff --git a/src/templates/expanded-endpoint-template.js b/src/templates/expanded-endpoint-template.js
index 08452fc3..afb5c868 100644
--- a/src/templates/expanded-endpoint-template.js
+++ b/src/templates/expanded-endpoint-template.js
@@ -93,7 +93,7 @@ export function expandedEndpointBodyTemplate(path, tagName = '') {
           fetch-credentials = "${this.fetchCredentials}"
           exportparts = "btn:btn, btn-fill:btn-fill, btn-outline:btn-outline, btn-try:btn-try, btn-clear:btn-clear, btn-clear-resp:btn-clear-resp,
             file-input:file-input, textbox:textbox, textbox-param:textbox-param, textarea:textarea, textarea-param:textarea-param, 
-            anchor:anchor, anchor-param-example:anchor-param-example"
+            anchor:anchor, anchor-param-example:anchor-param-example, schema-description:schema-description, schema-multiline-toggle:schema-multiline-toggle"
         > </api-request>
 
         ${path.callbacks ? callbackTemplate.call(this, path.callbacks) : ''}
@@ -111,7 +111,8 @@ export function expandedEndpointBodyTemplate(path, tagName = '') {
           schema-hide-read-only = "${path.isWebhook ? this.schemaHideReadOnly : false}"
           schema-hide-write-only = "${path.isWebhook ? false : this.schemaHideWriteOnly}"
           selected-status = "${Object.keys(path.responses || {})[0] || ''}"
-          exportparts = "btn:btn, btn-response-status:btn-response-status, btn-selected-response-status:btn-selected-response-status, btn-fill:btn-fill, btn-copy:btn-copy"
+          exportparts = "btn:btn, btn-response-status:btn-response-status, btn-selected-response-status:btn-selected-response-status, btn-fill:btn-fill, btn-copy:btn-copy,
+          schema-description:schema-description, schema-multiline-toggle:schema-multiline-toggle"
         > </api-response>
       </div>
     </div>
diff --git a/src/templates/server-template.js b/src/templates/server-template.js
index 505f79be..7c4f19a4 100644
--- a/src/templates/server-template.js
+++ b/src/templates/server-template.js
@@ -35,7 +35,7 @@ function serverVarsTemplate() {
   // const selectedServerObj = this.resolvedSpec.servers.find((v) => (v.url === this.selectedServer));
   return this.selectedServer && this.selectedServer.variables
     ? html`
-    <div class="table-title"> SERVER VARIABLES</div>
+    <div class="table-title">SERVER VARIABLES</div>
     <table class='m-table'>
       ${Object.entries(this.selectedServer.variables).map((kv) => html`
         <tr>
@@ -86,7 +86,7 @@ export default function serverTemplate() {
   if (!this.resolvedSpec || this.resolvedSpec.specLoadError) { return ''; }
   return html`
   <section id = 'servers' part="section-servers" style="text-align:left; direction:ltr; margin-top:24px; margin-bottom:24px;" class='regular-font observe-me ${'read focused'.includes(this.renderStyle) ? 'section-gap--read-mode' : 'section-gap'}'>
-    <div class = 'sub-title'>API SERVER</div>
+    <div part = "section-servers-title" class = "sub-title">API SERVER</div>
     <div class = 'mono-font' style='margin: 12px 0; font-size:calc(var(--font-size-small) + 1px);'>
       ${!this.resolvedSpec.servers || this.resolvedSpec.servers?.length === 0
         ? ''