Cara membuat komentar admin berbeda dengan pengunjung sebagai Berikut :
1. Log in ke blogger
2. Masuk ke Rancangan
3. Edit HTML (centang kotak Expand Template Widget)
4. Cari kode ]]></b:skin> lalu letakan kode dibawah ini diatasnya

.author-comments {
Color: #0000ff;
background: #ffffff;
border: 2px solid #0000ff;
padding: 3px;
}

      <div expr:id='data:widget.instanceId + &quot;_comments-block-wrapper&quot;'>
        <dl expr:class='data:post.avatarIndentClass' id='comments-block'>
          <b:loop values='data:post.comments' var='comment'>
            <dt expr:class='&quot;comment-author &quot; + data:comment.authorClass' expr:id='data:comment.anchorName'>
              <b:if cond='data:comment.favicon'>
                <img expr:src='data:comment.favicon' height='16px' style='margin-bottom:-2px;' width='16px'/>
              </b:if>
              <a expr:name='data:comment.anchorName'/>
              <b:if cond='data:blog.enabledCommentProfileImages'>
                <data:comment.authorAvatarImage/>
              </b:if>
              <b:if cond='data:comment.authorUrl'>
                <a expr:href='data:comment.authorUrl' ><data:comment.author/></a>
              <b:else/>
                <data:comment.author/>
              </b:if>
              <data:commentPostedByMsg/>
            </dt>
<b:if cond='data:comment.author == data:post.author'>
<dd class='author-comments'>
<p><data:comment.body/></p>
</dd>
<b:else/> 
            <dd class='comment-body' expr:id='data:widget.instanceId + data:comment.cmtBodyIdPostfix'>
              <b:if cond='data:comment.isDeleted'>
                <span class='deleted-comment'><data:comment.body/></span>
              <b:else/>
                <p>
                  <data:comment.body/>
                </p>
              </b:if>
            </dd>
</b:if>
            <dd class='comment-footer'>
              <span class='comment-timestamp'>
                <a expr:href='data:comment.url' rel='nofollow' title='comment permalink'>
                  <data:comment.timestamp/>
                </a>
                <b:include data='comment' name='commentDeleteIcon'/>
              </span>
            </dd&gt;
          </b:loop>
        </dl>
      </div>