update DevelopmentSection and doc style

src/DevelopmentSection.vue

@@ -1,8 +1,6 @@
 <template>
-    <div>
-        <slot v-if="isProduction" />
-        <p v-else>This section is under development. After the necessary tests and improvements are made, it will be shared with the users as soon as possible.</p>
-    </div>
+    <slot v-if="isProduction" />
+    <p v-else>This section is under development. After the necessary tests and improvements are made, it will be shared with the users as soon as possible.</p>
 </template>
 
 <script>

src/assets/styles/app/_content.scss

@@ -87,6 +87,7 @@
                 border-radius: 3px;
                 font-weight: 600;
                 margin: 0 2px;
+                white-space: nowrap;
             }
 
             h1, h2, h3, h4, h5, h6 {