ux: progress on metrics tab changes

public/sass/components/_gf-form.scss

@@ -16,6 +16,10 @@ $gf-form-margin: 0.25rem;
   &--grow {
     flex-grow: 1;
   }
+
+  &--flex-end {
+    justify-content: flex-end;
+  }
 }
 
 .gf-form-disabled {

public/sass/components/_infobox.scss

@@ -16,27 +16,18 @@
   border-radius: 4px;
   margin-bottom: $spacer;
   margin-right: $gf-form-margin;
+  flex-grow: 1;
 
   h5 {
     margin-bottom: $spacer;
   }
   ul {
-    padding-left: $spacer;
+    padding-left: $spacer * 1.5;
   }
 
   a {
     @extend .external-link;
   }
-
-  &--animate {
-    max-height: 0;
-    overflow: hidden;
-  }
-
-  &--animate-open {
-    max-height: 1000px;
-    transition: max-height 250ms ease-in-out;
-  }
 }
 
 .grafana-info-box__close {