diff --git a/projects/up-window-angular/src/lib/up-window-angular.component.html b/projects/up-window-angular/src/lib/up-window-angular.component.html
index 0a70edf..f408336 100644
--- a/projects/up-window-angular/src/lib/up-window-angular.component.html
+++ b/projects/up-window-angular/src/lib/up-window-angular.component.html
@@ -23,15 +23,25 @@
         ×
       </button>
     }
-    <div class="up-window-header">
-      <h3 id="dialog-title" class="up-window-title">{{ title }}</h3>
-      <h4 id="dialog-description" class="up-window-subtitle">
-        {{ subtitle }}
-      </h4>
-    </div>
+
+    @if(title || subtitle) {
+      <div class="up-window-header">
+        @if(title) {
+          <h3 id="dialog-title" class="up-window-title">{{ title }}</h3>
+        }
+
+        @if(subtitle) {
+          <h4 id="dialog-description" class="up-window-subtitle">
+            {{ subtitle }}
+          </h4>
+        }
+      </div>
+    }
+
     <div class="up-window-body">
       <ng-content></ng-content>
     </div>
+
     <div class="up-window-footer" [ngClass]="'align-' + buttonAlignment">
       <button
         class="btn btn-cancel"
diff --git a/projects/up-window-angular/src/lib/up-window-angular.component.scss b/projects/up-window-angular/src/lib/up-window-angular.component.scss
index b81fd10..2373fc5 100644
--- a/projects/up-window-angular/src/lib/up-window-angular.component.scss
+++ b/projects/up-window-angular/src/lib/up-window-angular.component.scss
@@ -50,6 +50,7 @@
 .up-window-header {
   display: flex;
   flex-direction: column;
+  margin-bottom: 20px;
 }
 
 .up-window-title,
@@ -67,7 +68,7 @@
 }
 
 .up-window-body {
-  margin: 20px 0;
+  margin: 0 0 20px;
 }
 
 .up-window-footer {
diff --git a/projects/up-window-angular/src/lib/up-window-angular.component.ts b/projects/up-window-angular/src/lib/up-window-angular.component.ts
index 7a32c81..879bbca 100644
--- a/projects/up-window-angular/src/lib/up-window-angular.component.ts
+++ b/projects/up-window-angular/src/lib/up-window-angular.component.ts
@@ -25,9 +25,8 @@ import {
   encapsulation: ViewEncapsulation.None,
 })
 export class UpWindowAngularComponent implements OnInit, OnDestroy {
-  @Input() title: string = 'Default Title';
-  @Input() subtitle: string = 'Default Subtitle';
-  @Input() size: string = 'medium';
+  @Input() title?: string;
+  @Input() subtitle?: string;
   @Input() class: string | undefined;
   @Input() isOpen: WritableSignal<boolean> = signal(false);
   @Input() animation: string = 'fade';
diff --git a/src/app/app.component.html b/src/app/app.component.html
index 478b430..944cb48 100644
--- a/src/app/app.component.html
+++ b/src/app/app.component.html
@@ -155,8 +155,6 @@ <h2 class="content-title">Mode</h2>
         </button>
         <up-window-angular
           [isOpen]="isWindowOpenFullScreen"
-          title="FullScreen Window"
-          subtitle="This window mode FullScreen."
           [fullScreen]="true"
         >
           Mode FullScreen content!