1 files changed, 6 insertions, 6 deletions
diff --git a/files/zh-cn/web/css/border-bottom-right-radius/index.html b/files/zh-cn/web/css/border-bottom-right-radius/index.html
index d63776da87..4c21cf8996 100644
--- a/files/zh-cn/web/css/border-bottom-right-radius/index.html
+++ b/files/zh-cn/web/css/border-bottom-right-radius/index.html
@@ -56,7 +56,7 @@ border-bottom-right-radius: inherit;</pre>
 
 <h3 id="Formal_syntax">Formal syntax</h3>
 
-<pre class="syntaxbox">{{csssyntax}}</pre>
+{{csssyntax}}
 
 <h2 id="Examples">Examples</h2>
 
@@ -71,7 +71,7 @@ border-bottom-right-radius: inherit;</pre>
   <tr>
    <td style="padding: 1.5em;">
     <div style="background-color: lightgreen; border: solid 1px black; border-bottom-right-radius: 40px 40px; width: 100px; height: 100px;">
-    <div style="display: none;">.</div>
+    <div class="hidden">.</div>
     </div>
    </td>
    <td>An arc of circle is used as the border
@@ -85,7 +85,7 @@ div {
   <tr>
    <td style="padding: 1.5em;">
     <div style="background-color: lightgreen; border: solid 1px black; border-bottom-right-radius: 40px 20px; width: 100px; height: 100px;">
-    <div style="display: none;">.</div>
+    <div class="hidden">.</div>
     </div>
    </td>
    <td>An arc of ellipse is used as the border
@@ -99,7 +99,7 @@ div {
   <tr>
    <td style="padding: 1.5em;">
     <div style="background-color: lightgreen; border: solid 1px black; border-bottom-right-radius: 40%; width: 100px; height: 100px;">
-    <div style="display: none;">.</div>
+    <div class="hidden">.</div>
     </div>
    </td>
    <td>The box is a square: an arc of circle is used as the border
@@ -113,7 +113,7 @@ div {
   <tr>
    <td style="padding: 1.5em;">
     <div style="background-color: lightgreen; border: solid 1px black; border-bottom-right-radius: 40%; width: 100px; height: 200px;">
-    <div style="display: none;">.</div>
+    <div class="hidden">.</div>
     </div>
    </td>
    <td>The box is not a square: an arc of ellipse is used as the border
@@ -127,7 +127,7 @@ div {
   <tr>
    <td style="padding: 1.5em;">
     <div style="border: black 3px double; border-bottom-right-radius: 40%; height: 100px; width: 100px; background-color: rgb(250,20,70); background-clip: content-box;">
-    <div style="display: none;">.</div>
+    <div class="hidden">.</div>
     </div>
    </td>
    <td>The background color is clipped at the border