Add margin utility classes

public/css/promptmanager.css

@@ -1,9 +1,3 @@
-/* OpenAI */
-
-#completion_prompt_manager {
-    margin: 0.5em 0.25em;
-}
-
 #completion_prompt_manager .caution {
     color: var(--fullred);
 }

public/index.html

@@ -1289,7 +1289,7 @@
                                             <span data-i18n="May help the model to understand context. Names must only contain letters or numbers.">Helps the model to associate messages in group chats. Names must only contain letters or numbers without whitespaces.</span>
                                         </div>
                                     </div>
-                                    <div class="range-block">
+                                    <div class="range-block m-t-1 m-b-1">
                                         <div id="completion_prompt_manager"></div>
                                     </div>
                                     <div class="range-block">

public/style.css

@@ -216,6 +216,46 @@ table.responsiveTable {
     color: var(--fullred);
 }
 
+.m-t-1 {
+    margin-top: 1em;
+}
+
+.m-t-2 {
+    margin-top: 2em;
+}
+
+.m-t-3 {
+    margin-top: 3em;
+}
+
+.m-t-4 {
+    margin-top: 4em;
+}
+
+.m-t-5 {
+    margin-top: 5em;
+}
+
+.m-b-1 {
+    margin-bottom: 1em;
+}
+
+.m-b-2 {
+    margin-bottom: 2em;
+}
+
+.m-b-3 {
+    margin-bottom: 3em;
+}
+
+.m-b-4 {
+    margin-bottom: 4em;
+}
+
+.m-b-5 {
+    margin-bottom: 5em;
+}
+
 .tooltip {
     cursor: help;
 }