docs: correct image sizes on accessibility page

docs/accessibility/accessibility-tools.md

@@ -60,8 +60,8 @@ Google's Chrome and Microsoft's Edge browsers have several accessibility tools b
   <uxdot-example width-adjustment="900px">
     <img src="/assets/accessibility/lighthouse-audit.png"
       alt="Screenshot of a Lighthouse autdit with a score of 100%."
-      width="450"
-      height="125">
+      width="900"
+      height="251">
   </uxdot-example>
 </figure>
 
@@ -79,8 +79,8 @@ Chrome and Edge also have an "Accessibility Pane" that lets users see informatio
   <uxdot-example width-adjustment="893px">
     <img src="/assets/accessibility/accessibility-pane.png"
       alt="Screenshot of the accessibility pane on a ux.redhat.com page with three numbers identifying key features."
-      width="446"
-      height="249">
+      width="893"
+      height="498">
   </uxdot-example>
   <figcaption>
     To view the Accessibility Pane, open DevTools then click:
@@ -98,8 +98,8 @@ Users can optionally check "Enable full-page accessibility tree" to change what'
   <uxdot-example width-adjustment="1167px">
     <img src="/assets/accessibility/accessibility-tree-view.png"
       alt="Screenshot showing the rendered page content in the browser on the left and the same content in the accessibility tree view on the right in DevTools"
-      width="583"
-      height="267">
+      width="1167"
+      height="535">
   </uxdot-example>
   <figcaption>
     Inspecting the Alert (left) with the full-page accessibility tree enabled reveals its accessible properties (right).
@@ -120,8 +120,8 @@ One neat feature included within Firefox's accessibility inspector is the abilit
   <uxdot-example width-adjustment="994px">
     <img src="/assets/accessibility/firefox-show-tab-order.png"
       alt="Screenshot of a page with 'Show Tabbing Order' checked. Each tab stop shows its tab stop number inside a pip."
-      width="497"
-      height="252">
+      width="994"
+      height="505">
   </uxdot-example>
   <figcaption>
     A page in Firefox with visually numbered tab stops via the Firefox feature, "Show Tabbing order".