Improve spacing at top of navs

frontend/src/app/components/docs/api-docs-nav.component.scss

@@ -5,10 +5,6 @@ p {
   margin: 15px 0 10px 0;
 }
 
-p:first-child {
-  margin-top: 0;
-}
-
 a {
   color: #fff;
   text-decoration: none;

frontend/src/app/components/docs/api-docs.component.scss

@@ -78,6 +78,7 @@ li.nav-item {
 
 #doc-nav-desktop {
   width: 300px;
+  margin-top: -15px;
 }
 
 #doc-nav-desktop.relative {
@@ -154,6 +155,10 @@ li.nav-item {
   z-index: 100;
 }
 
+#doc-nav-mobile .card-body {
+  padding: 0 1.25rem 1.25rem 1.25rem;
+}
+
 #doc-nav-mobile > div {
   background-color: #2d3348;
   z-index: 100;