diff --git a/themes/hugo-w2ng/assets/css/site.css b/themes/hugo-w2ng/assets/css/site.css
index 6fe1656..d207d03 100644
--- a/themes/hugo-w2ng/assets/css/site.css
+++ b/themes/hugo-w2ng/assets/css/site.css
@@ -9,11 +9,23 @@ code {
 /* menu */
 
 @media (max-width: 768px) {
-  nav#menu {
+  #menu-check ~ label .close-icon {
     display: none;
   }
-  /* Style the button when the checkbox is checked */
-  #expand-toggle:checked ~ nav#menu {
+
+  #menu-check ~ label .open-icon {
+    display: inline-block;
+  }
+
+  #menu-check:checked ~ label .close-icon {
+    display: inline-block;
+  }
+
+  #menu-check:checked ~ label .open-icon {
+    display: none;
+  }
+
+  #menu-check:checked ~ #menu {
     display: block;
   }
 }
diff --git a/themes/hugo-w2ng/assets/css/styles.css b/themes/hugo-w2ng/assets/css/styles.css
index 942ba75..30fb1fb 100644
--- a/themes/hugo-w2ng/assets/css/styles.css
+++ b/themes/hugo-w2ng/assets/css/styles.css
@@ -29,7 +29,7 @@
   @apply bg-gray-100 p-3 mx-3 my-2 border-l-4 border-gray-400;
 }
 .markdown table {
-  @apply m-auto border-t border-b border-gray-800 border-solid;
+  @apply m-auto border-t border-b border-gray-800 border-solid whitespace-normal;
 }
 .markdown table thead th {
   @apply border-b border-solid border-gray-700;
@@ -44,7 +44,7 @@
   @apply bg-gray-200;
 }
 .markdown pre {
-  @apply overflow-x-auto shadow-md p-4 border-2 border-solid border-gray-100;
+  @apply overflow-x-auto p-4 border border-solid border-gray-400 shadow-lg;
 }
 .markdown code {
   @apply bg-gray-200;
diff --git a/themes/hugo-w2ng/layouts/_default/single.html b/themes/hugo-w2ng/layouts/_default/single.html
index a3e47d1..0daba74 100644
--- a/themes/hugo-w2ng/layouts/_default/single.html
+++ b/themes/hugo-w2ng/layouts/_default/single.html
@@ -1,5 +1,5 @@
 {{ define "main" }}
-<article class="max-w-3xl mx-auto leading-relaxed markdown">
+<article class="flex-shrink max-w-3xl mx-auto leading-relaxed markdown">
     <h1 class="text-center">{{ .Title }}</h1>
     {{ .Content }}
 </article>
diff --git a/themes/hugo-w2ng/layouts/partials/header.html b/themes/hugo-w2ng/layouts/partials/header.html
index 20a3f0f..d5919b6 100644
--- a/themes/hugo-w2ng/layouts/partials/header.html
+++ b/themes/hugo-w2ng/layouts/partials/header.html
@@ -1,7 +1,7 @@
 <header class="flex flex-col w-full md:w-1/5 md:text-right md:pr-8 bg-white text-center">
-    <h1 class="text-4xl my-12 font-medium mt-4 md:mb-12"><a href="#">Wrong.Wang</a></h1>
+    <h1 class="text-4xl my-6 md:my-12 font-medium mt-4 md:mb-12"><a href="#">Wrong.Wang</a></h1>
     <p class="font-thin italic">前进</p>
-    <input type="checkbox" class="hidden" id="expand-toggle" />
+    <!-- <input type="checkbox" class="hidden" id="expand-toggle" />
     <div class="block absolute right-0 md:hidden">
         <label for="expand-toggle" id="expand-btn" class="flex items-center px-3 py-2 border rounded">
             <svg class="h-3 w-3" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg">
@@ -9,12 +9,18 @@
                 <path d="M0 3h20v2H0V3zm0 6h20v2H0V9zm0 6h20v2H0v-2z" />
             </svg>
         </label>
-    </div>
-    <nav id="menu" class="my-2 md:flex-row-reverse">
-        <ul class="list-none pl-0">
+    </div> -->
+    <input id="menu-check" type="checkbox" class="hidden"/>
+    <label id="menu-label" for="menu-check" class="unselectable md:hidden  inline-block py-4 h-12 cursor-pointer mt-3 text-xl text-gray-900">
+        <span class="icon close-icon">✕</span>
+        <span class="icon open-icon">☰</span>
+        <span class="text">MENU</span>
+    </label>
+    <nav id="menu" class="my-2 md:flex-row-reverse hidden md:block">
+        <ul class="list-none pl-0 mx-auto justify-center  max-w-xs">
             {{ range .Site.Menus.main }}
             <li class="my-4 border-black border-b-2 md:border-none pb-1">
-                <a class="md:border-black md:border-b-2 md:pb-1" href="{{ .URL }}">{{ .Name }}</a>
+                <a class="py-4 md:border-black md:border-b-2 md:pb-1" href="{{ .URL }}">{{ .Name }}</a>
             </li>
             {{ end }}
         </ul>