diff --git a/Backend/mocked-services/src/main/resources/static/html/mock.html b/Backend/mocked-services/src/main/resources/static/html/mock.html
index 8c4ba5d..a908ea5 100644
--- a/Backend/mocked-services/src/main/resources/static/html/mock.html
+++ b/Backend/mocked-services/src/main/resources/static/html/mock.html
@@ -34,17 +34,15 @@
                             <!-- status -->
                             <div class="max-width  small-vertical-margin">
                                 <label for="httpStatus">Http Status</label>
-                                <!--
-                                <select id="httpStatus" class="bordered-field max-width data-field" value="200">
-                                    <option value="200">200</option>
-                                    <option value="300">300</option>
-                                    <option value="400">400</option>
-                                    <option value="403">403</option>
-                                    <option value="404">404</option>
-                                    <option value="500">500</option>
-                                </select>
-                                -->
-                                <input id="httpStatus" type="number" class="bordered-field max-width data-field" value="200"/>
+                                <input id="httpStatus" type="number" class="bordered-field max-width data-field" value="200" list="httpStatusSuggestion"/>
+                                <datalist id="httpStatusSuggestion">
+                                    <option value="200">
+                                    <option value="300">
+                                    <option value="400">
+                                    <option value="403">
+                                    <option value="404">
+                                    <option value="500">
+                                </datalist>
 
                             </div>
                             <!-- content type -->
diff --git a/Backend/mocked-services/src/main/resources/static/js/datatransfer.js b/Backend/mocked-services/src/main/resources/static/js/datatransfer.js
index a4b035f..1a042d5 100644
--- a/Backend/mocked-services/src/main/resources/static/js/datatransfer.js
+++ b/Backend/mocked-services/src/main/resources/static/js/datatransfer.js
@@ -13,6 +13,10 @@ const removeMessageName = 'removeMessage';
 const C_UUID = 'mock-uuid';
 const C_ID = 'last-displayed-id';
 const C_ADV = 'advanced-mode';
+
+const color_red = "#ff8f8f";
+const color_grey = "#6b6b6b";
+
 const setModified = function(){
     setDataModified();
 }
@@ -61,16 +65,16 @@ function httpStatusInvalid(){
 }
 
 function setDataModified(){
-    console.log("dupadupagówno")
-    if(dataModified) return;
     if(httpStatusInvalid()){
         $('#btn-save').removeClass('active');
         $('#btn-save').off();
+        document.getElementById("httpStatus").style.backgroundColor = color_red;
         return;
     }
     dataModified = true;
     $('#btn-save').addClass('active');
     $('#btn-save').click(getUpdate);
+    document.getElementById("httpStatus").style.backgroundColor = null;
 }
 
 //Adding change listener to fields