diff --git a/dmp-frontend/src/app/ui/dmp/invitation/dmp-invitation-dialog.component.scss b/dmp-frontend/src/app/ui/dmp/invitation/dmp-invitation-dialog.component.scss
index 315ec3063..245beea14 100644
--- a/dmp-frontend/src/app/ui/dmp/invitation/dmp-invitation-dialog.component.scss
+++ b/dmp-frontend/src/app/ui/dmp/invitation/dmp-invitation-dialog.component.scss
@@ -48,6 +48,12 @@
     display: none;
 }
 
+::ng-deep .mat-form-field-outline-start, 
+::ng-deep .mat-form-field-outline-gap, 
+::ng-deep .mat-form-field-outline-end {
+    border: none !important;
+}
+
 .invite-btn {
     width: 6.64em;
     height: 2.93em;
@@ -61,7 +67,7 @@
 }
 
 .select-role {
-    width: 16% !important;
+    width: 20% !important;
     font-size: 14px;
     color: #848484;
     height: min-content;