diff --git a/ui/css/cloudstack3.css b/ui/css/cloudstack3.css
index 4aab13b4876..f5582b6e942 100644
--- a/ui/css/cloudstack3.css
+++ b/ui/css/cloudstack3.css
@@ -5988,7 +5988,7 @@ label.error {
 }
 
 .multi-wizard.instance-wizard .data-disk-offering .select-container {
-  height: 280px;
+  height: 300px;
   margin: -7px 6px 0 8px;
   /*+border-radius:6px;*/
   -moz-border-radius: 6px;
@@ -6093,8 +6093,28 @@ label.error {
   font-size: 10px;
 }
 
+.instance-wizard .step.data-disk-offering.custom-disk-size .select-container {
+  height: 272px;
+}
+
 .instance-wizard .step.data-disk-offering.custom-iops-do .select-container {
-  height: 165px;
+  height: 240px;
+}
+
+.instance-wizard .step.data-disk-offering.custom-disk-size.custom-iops-do .select-container {
+  height: 176px;
+}
+
+.instance-wizard .step.data-disk-offering.required.custom-disk-size .select-container {
+  height: 315px;
+}
+
+.instance-wizard .step.data-disk-offering.required.custom-iops-do .select-container {
+  height: 295px;
+}
+
+.instance-wizard .step.data-disk-offering.required.custom-disk-size.custom-iops-do .select-container {
+  height: 223px;
 }
 
 .instance-wizard .step.data-disk-offering .custom-iops-do {
diff --git a/ui/index.jsp b/ui/index.jsp
index 96cfeb5aa33..dce2aa878aa 100644
--- a/ui/index.jsp
+++ b/ui/index.jsp
@@ -206,6 +206,7 @@
                             <div class="content">
                                 <div class="select-container">
                                 </div>
+
                                 <!-- Custom size slider -->
                                 <div class="section custom-size">
                                     <div class="field">
@@ -221,6 +222,7 @@
                                         <input type="text" class="required disallowSpecialCharacters" name="compute-memory" />
                                     </div>
                                 </div>
+
                                 <!-- Custom iops -->
                                 <div class="section custom-iops">
                                     <div class="field">
@@ -259,6 +261,7 @@
                                     <input type="text" class="required digits" name="size" value="1" />
                                     <label class="size">GB</label>
                                 </div>
+
                                 <!-- Custom iops -->
                                 <div class="section custom-iops-do">
                                     <div class="field">