.sub-content { 
  display: grid;
  grid-template-areas:
   'intro'
   'blog-entry'
   'old-blog-entry';
  padding: 10px 10px;
  border: 0px solid;
  border-radius: 10px;
  background-color: rgba(255, 255, 255, 0.2);
}  

.intro{ 
  grid-area: intro;
  border-style: solid;
  border-top-right-radius: 10px;
  border-top-left-radius: 10px;
  padding: 0px 10px;
}
.blog-entry{ 
  grid-area: blog-entry;
  padding: 0px 10px;
}
.old-blog-entry{ 
  grid-area: old-blog-entry;
  padding: 0px 10px;
  border-top-style: dotted;
}

h2{
  margin: 10px;
}