DOC-6 remove 25px top margin from ul in warning

Author: markzegarelli

src/_sass/vendors/_premonition.scss

@@ -100,7 +100,10 @@
   }
 
   .content {
-    & > *:not(.header) + * {
+    ul {
+      margin-top: 0px;
+    }
+    & > *:not(.header, ul) + * {
       margin-top: 25px;
     }