Increase news banner font size (pytorch#73)

Co-authored-by: Brandon Green <brandon@shiftlabny.com>

Author: Bgreen23

_sass/homepage.scss

@@ -353,6 +353,7 @@
   white-space: nowrap;
   margin: auto;
   width: 80%;
+  font-size: rem(18px);
   @include desktop {
     padding-top: 3px;
   }
@@ -368,7 +369,7 @@
     &:hover {
       color: $orange;
     }
-  }  
+  }
 }
 
 .no-banner {