fix: fix multi paragraph admonitions formatting (#347)

exampleSite/content/posts/advanced/shortcodes.md

@@ -218,6 +218,8 @@ Ornateness bland it ex enc, est yeti am bongo detract re.
 **Markdown content**\
 Dolor sit, sumo unique argument um no. Gracie nominal id xiv. Romanesque acclimates investiture.
 Ornateness bland it ex enc, est yeti am bongo detract re.
+
+Romanesque acclimates investiture.
 {{< /hint >}}
 
 Example with a custom icon and title:

exampleSite/content/posts/asciidoc/admonitions.adoc

@@ -37,9 +37,12 @@ Dolor sit, sumo unique argument um no. Gracie nominal id xiv. Romanesque acclima
 Ornateness bland it ex enc, est yeti am bongo detract re.
 
 [WARNING]
+====
 Dolor sit, sumo unique argument um no. Gracie nominal id xiv. Romanesque acclimates investiture.
 Ornateness bland it ex enc, est yeti am bongo detract re.
 
+Romanesque acclimates investiture.
+====
 
 == Admonition icons
 

src/sass/_asciidoc.scss

@@ -54,7 +54,7 @@
         }
       }
 
-      display: flex;
+      display: block;
       padding: $padding-4 $padding-16 !important;
     }
   }