diff --git a/dmp-frontend/src/app/ui/admin/language/editor/language-editor.component.html b/dmp-frontend/src/app/ui/admin/language/editor/language-editor.component.html
index 9c490b8ec..13dd39948 100644
--- a/dmp-frontend/src/app/ui/admin/language/editor/language-editor.component.html
+++ b/dmp-frontend/src/app/ui/admin/language/editor/language-editor.component.html
@@ -30,7 +30,7 @@
 					</mat-card-header>
 					<mat-card-content>
 						<div class="row mt-3">
-							<div class="col-4" *ngIf="isNew">
+							<div class="col-6" *ngIf="isNew">
 								<mat-form-field class="w-100">
 									<mat-label>{{'LANGUAGE-EDITOR.FIELDS.CODE' | translate}}</mat-label>
 									<input matInput type="text" name="code" [formControl]="formGroup.get('code')" required>
@@ -38,7 +38,7 @@
 									<mat-error *ngIf="formGroup.get('code').hasError('required')">{{'GENERAL.VALIDATION.REQUIRED' | translate}}</mat-error>
 								</mat-form-field>
 							</div>
-							<div class="col-4" *ngIf="!isNew">
+							<div class="col-6" *ngIf="!isNew">
 								<mat-form-field class="w-100">
 									<mat-label>{{'LANGUAGE-EDITOR.FIELDS.CODE' | translate}}</mat-label>
 									<mat-select (selectionChange)="selectedCodeChanged($event.value)" name= "code" [formControl]="formGroup.get('code')">
diff --git a/dmp-frontend/src/app/ui/admin/prefilling-source/editor/prefilling-source-editor.component.html b/dmp-frontend/src/app/ui/admin/prefilling-source/editor/prefilling-source-editor.component.html
index fdadd6bd4..4adb789db 100644
--- a/dmp-frontend/src/app/ui/admin/prefilling-source/editor/prefilling-source-editor.component.html
+++ b/dmp-frontend/src/app/ui/admin/prefilling-source/editor/prefilling-source-editor.component.html
@@ -25,7 +25,7 @@
 			</div>
 
 			<form *ngIf="formGroup" (ngSubmit)="formSubmit()">
-				<mat-card appearance="outlined">
+				<mat-card appearance="outlined" class="mb-1">
 					<mat-card-header>
 						<mat-card-title *ngIf="isNew">{{'PREFILLING-SOURCE-EDITOR.NEW' | translate}}</mat-card-title>
 					</mat-card-header>
@@ -42,7 +42,7 @@
 						</div>
 					</mat-card-content>
 				</mat-card>
-				<mat-card appearance="outlined">
+				<mat-card appearance="outlined" class="mb-1">
 					<mat-card-header>
 						<mat-card-title>{{'PREFILLING-SOURCE-EDITOR.FIELDS.FIXED-VALUE-FIELDS' | translate}}</mat-card-title>
 					</mat-card-header>
@@ -82,7 +82,7 @@
 						</div>
 					</mat-card-content>
 				</mat-card>
-				<mat-card appearance="outlined">
+				<mat-card appearance="outlined" class="mb-1">
 					<mat-card-header>
 						<mat-card-title>{{'PREFILLING-SOURCE-EDITOR.FIELDS.FIELDS' | translate}}</mat-card-title>
 					</mat-card-header>
@@ -122,7 +122,7 @@
 					</mat-card-content>
 				</mat-card>
 
-				<mat-card appearance="outlined">
+				<mat-card appearance="outlined" class="mb-1">
 					<mat-card-header>
 						<mat-card-title>{{'PREFILLING-SOURCE-EDITOR.FIELDS.SOURCE-CONFIGURATION' | translate}}</mat-card-title>
 					</mat-card-header>
@@ -138,7 +138,7 @@
 					</mat-card-content>
 				</mat-card>
 
-				<mat-card appearance="outlined" *ngIf="formGroup.get('definition').get('getEnabled').value == true">
+				<mat-card appearance="outlined" *ngIf="formGroup.get('definition').get('getEnabled').value == true" class="mb-1">
 					<mat-card-header>
 						<mat-card-title>{{'PREFILLING-SOURCE-EDITOR.FIELDS.GET-SOURCE-CONFIGURATION' | translate}}</mat-card-title>
 					</mat-card-header>