Fix height on iframes in single posts

src/assets/scss/_post.scss

@@ -82,6 +82,14 @@
                         width: 100%;
                         height: auto;
                     }
+                    iframe {
+                        @media only screen and (min-width: 768px){
+                            min-height: 600px;
+                        }
+                        @media only screen and (max-width: 576px){
+                            min-height: 429px;
+                        }
+                    }
                 }
                 .single-item-collection--information{
                     .card{