diff --git a/src/Umbraco.Web.UI.Client/src/less/components/prevalues/multivalues.less b/src/Umbraco.Web.UI.Client/src/less/components/prevalues/multivalues.less
index a307e5c585..5363a8db9b 100644
--- a/src/Umbraco.Web.UI.Client/src/less/components/prevalues/multivalues.less
+++ b/src/Umbraco.Web.UI.Client/src/less/components/prevalues/multivalues.less
@@ -1,5 +1,10 @@
 .umb-prevalues-multivalues {
     width: 400px;
+    max-width: 100%;
+
+    .umb-overlay & {
+        width: 500px;
+    }
 }
 
 .umb-prevalues-multivalues__left {
@@ -27,7 +32,7 @@
 
 .umb-prevalues-multivalues__add button {
     margin: 0 6px 0 0;
-    float: right
+    margin-left: auto;
 }
 
 .umb-prevalues-multivalues__listitem {
@@ -46,6 +51,7 @@
 
 .umb-prevalues-multivalues__listitem a {
     cursor: pointer;
+    margin-left: auto;
 }
 
 .umb-prevalues-multivalues__listitem input {