diff --git a/templates/post.html b/templates/post.html
index 9e4a9e8..d358165 100644
--- a/templates/post.html
+++ b/templates/post.html
@@ -23,13 +23,13 @@ h1 a:not([href]){color:inherit;text-decoration:none;vertical-align: bottom;font-
 
     <button class="btn btn-invisible circle" onclick="window.open('{{ blogBase["postSourceUrl"] }}')" title="Issue">
         <svg class="octicon" width="16" height="16">
-            <path id="pathIssue" fill-rule="evenodd"></path>
+            <path id="pathIssue" fill-rule="evenodd" d="{{ IconList['github'] }}"></path>
         </svg>
     </button>
 
     <button id="changeTheme" class="btn btn-invisible circle" onclick="modeSwitch()" title="{{ i18n['switchTheme'] }}">
         <svg class="octicon" width="16" height="16" >
-            <path id="themeSwitch" fill-rule="evenodd"></path>
+            <path id="themeSwitch" fill-rule="evenodd" d="{{ IconList['home'] }}"></path>
         </svg>
     </button>
 
@@ -37,7 +37,7 @@ h1 a:not([href]){color:inherit;text-decoration:none;vertical-align: bottom;font-
 {% endblock %}
 
 {% block content %}
-<div class="markdown-body">
+<div class="markdown-body" id="postBody">
 {{ blogBase['postBody'] }}
 </div>
 <button class="btn btn-block" type="button" onclick="openComments()" id="cmButton" value="{{ blogBase['repoName'] }}">{{ i18n['comments'] }}</button>
@@ -46,8 +46,8 @@ h1 a:not([href]){color:inherit;text-decoration:none;vertical-align: bottom;font-
 
 {% block script %}
 <script>
-document.getElementById("pathHome").setAttribute("d",IconList["home"]);
-document.getElementById("pathIssue").setAttribute("d",IconList["github"]);
+
+if(blogBase["fontSize"]!=""){document.getElementById("postBody").setAttribute("style","font-size:"+blogBase["fontSize"])}
 
 function openComments(){
     cm=document.getElementById("comments");