Make product types dynamically orderable.

core/static/core/forms.scss

@@ -87,3 +87,21 @@ a:not(.button) {
     color: $primary-color;
   }
 }
+
+
+form {
+  .row {
+    label {
+      margin: unset;
+    }
+  }
+
+  fieldset {
+    margin-bottom: 1rem;
+  }
+
+  .helptext {
+    margin-top: .25rem;
+    font-size: 80%;
+  }
+}

core/static/core/style.scss

@@ -314,6 +314,17 @@ body {
     }
   }
 
+  .snackbar {
+    width: 250px;
+    margin-left: -125px;
+    box-sizing: border-box;
+    position: fixed;
+    z-index: 1;
+    left: 50%;
+    top: 60px;
+    text-align: center;
+  }
+
   .tabs {
     border-radius: 5px;