Hide blog post from listing based on tags

CSS Part
<b:if cond='data:blog.pageName != &quot;Doodling&quot;'>
&lt;style&gt;
.just-hide-post{
display:none;
}
&lt;/style&gt;
</b:if>
   <!- JUST ABOVE YOUR HEADER CLOSURE TAG -->

Template Part 

        <b:if cond='data:post.labels'>
<b:loop values='data:post.labels' var='label'>
<b:if cond='data:label.name == &quot;Doodling&quot;'>
         &lt;div class=just-hide-post&gt;
       </b:if>
</b:loop>
        </b:if>

          <!- YOUR POST -->

<b:if cond='data:post.labels'> <b:loop values='data:post.labels' var='label'> <b:if cond='data:label.name == &quot;Doodling&quot;'> &lt;/div&gt; </b:if> </b:loop> </b:if>