Fix typo in Podcasts show template

Author: yasulab

app/views/podcasts/show.html.erb

@@ -33,7 +33,7 @@
 
 <div class="container" style="line-height: 1.9em; margin-bottom: -100px;">
   <section class="doc" style="padding: 50px 0px 50px 0px;">
-    <iframe class="lazyload" src="https://anchor.fm/coderdojo-japan/embed/episodes/<%= @episode.permalink %>" width="100%px" height="120" scrolling="no" frameborder="yes"></iframe>
+    <iframe class="lazyload" src="https://anchor.fm/coderdojo-japan/embed/episodes/<%= @episode.permalink %>" width="100%" scrolling="no" frameborder="yes"></iframe>
     <br />
 
     <%= raw @content %>