Fixed sitemap margin

assets/sass/_theme/blocks/posts.sass

 .posts__page
     aside
         @include container
-        margin-top: $spacing1
-
+        margin-top: $spacing1
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assets/sass/_theme/sections/sitemap.sass

@@ -5,5 +5,7 @@
                 padding-left: col(5)
             ul 
                 list-style: none
-                margin-bottom: 7.5rem
-                padding: 0
\ No newline at end of file
+                margin-bottom: calc(7.5rem / 2)
+                padding: 0
+                @include media-breakpoint-up(md)
+                    margin-bottom: 7.5rem   
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