diff --git a/package.json b/package.json
index 12f797a..de43ad0 100644
--- a/package.json
+++ b/package.json
@@ -23,6 +23,7 @@
     "publish": "cd dist/up-window-angular && npm publish",
     "watch": "ng build --watch --configuration development",
     "test": "ng test",
+    "test:module": "ng test up-window-angular",
     "postbuild": "node scripts/post-build.js"
   },
   "private": true,
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 63ca76a..2dbcc31 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
@@ -1,17 +1,13 @@
-<div class="overlay" [ngClass]="{ active: isOpen() }">
-  <div class="up-window" [ngClass]="class">
-    <button class="close-window" (click)="closeWindow()">×</button>
+<div class="overlay" [class.active]="isOpen()">
+  <div class="up-window" [ngClass]="getClass()">
+    <button class="close-window" (click)="closeWindow()">&times;</button>
     <div class="up-window-header">
-      <div>
-        <h2 class="up-window-title">{{ title }}</h2>
-        <p class="up-window-subtitle">{{ subtitle }}</p>
-      </div>
+      <h3 class="up-window-title">{{ title }}</h3>
+      <h4 class="up-window-subtitle">{{ subtitle }}</h4>
     </div>
-
     <div class="up-window-body">
       <ng-content></ng-content>
     </div>
-
     <div class="up-window-footer">
       <button class="btn btn-cancel" (click)="onCancel()">Cancel</button>
       <button class="btn btn-confirm" (click)="onConfirm()">Confirm</button>
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 d5dc97c..d818b59 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
@@ -51,12 +51,51 @@ body {
   padding: 20px;
   box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
   margin: 1rem;
+
+  &.fade {
+    animation: up-window-fadeIn 0.3s forwards;
+  }
+
+  &.fade-out {
+    animation: up-window-fadeOut 0.3s forwards;
+  }
+
+  &.slide {
+    animation: up-window-slideIn 0.3s forwards;
+  }
+
+  &.slide-out {
+    animation: up-window-slideOut 0.3s forwards;
+  }
+
+  &.slide-up {
+    animation: up-window-slideUp 0.3s forwards;
+  }
+
+  &.slide-up-out {
+    animation: up-window-slideUpOut 0.3s forwards;
+  }
+
+  &.slide-down {
+    animation: up-window-slideDown 0.3s forwards;
+  }
+
+  &.slide-down-out {
+    animation: up-window-slideDownOut 0.3s forwards;
+  }
+
+  &.scale {
+    animation: up-window-scaleIn 0.3s forwards;
+  }
+
+  &.scale-out {
+    animation: up-window-scaleOut 0.3s forwards;
+  }
 }
 
 .up-window-header {
   display: flex;
-  justify-content: space-between;
-  align-items: center;
+  flex-direction: column;
 }
 
 .up-window-title,
@@ -109,3 +148,113 @@ body {
   background-color: var(--up-window-primary);
   color: white;
 }
+
+@keyframes up-window-fadeIn {
+  from {
+    opacity: 0;
+    transform: translateY(-20px);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+@keyframes up-window-fadeOut {
+  from {
+    opacity: 1;
+    transform: translateY(0);
+  }
+  to {
+    opacity: 0;
+    transform: translateY(-20px);
+  }
+}
+
+@keyframes up-window-slideIn {
+  from {
+    opacity: 0;
+    transform: translateX(-100%);
+  }
+  to {
+    opacity: 1;
+    transform: translateX(0);
+  }
+}
+
+@keyframes up-window-slideOut {
+  from {
+    opacity: 1;
+    transform: translateX(0);
+  }
+  to {
+    opacity: 0;
+    transform: translateX(-100%);
+  }
+}
+
+@keyframes up-window-slideUp {
+  from {
+    opacity: 0;
+    transform: translateY(100%);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+@keyframes up-window-slideDown {
+  from {
+    opacity: 0;
+    transform: translateY(-100%);
+  }
+  to {
+    opacity: 1;
+    transform: translateY(0);
+  }
+}
+
+@keyframes up-window-scaleIn {
+  from {
+    opacity: 0;
+    transform: scale(0.8);
+  }
+  to {
+    opacity: 1;
+    transform: scale(1);
+  }
+}
+
+@keyframes up-window-scaleOut {
+  from {
+    opacity: 1;
+    transform: scale(1);
+  }
+  to {
+    opacity: 0;
+    transform: scale(0.8);
+  }
+}
+
+@keyframes up-window-slideUpOut {
+  from {
+    opacity: 1;
+    transform: translateY(0);
+  }
+  to {
+    opacity: 0;
+    transform: translateY(100%);
+  }
+}
+
+@keyframes up-window-slideDownOut {
+  from {
+    opacity: 1;
+    transform: translateY(0);
+  }
+  to {
+    opacity: 0;
+    transform: translateY(-100%);
+  }
+}
diff --git a/projects/up-window-angular/src/lib/up-window-angular.component.spec.ts b/projects/up-window-angular/src/lib/up-window-angular.component.spec.ts
index 1bb9cac..37cd0ff 100644
--- a/projects/up-window-angular/src/lib/up-window-angular.component.spec.ts
+++ b/projects/up-window-angular/src/lib/up-window-angular.component.spec.ts
@@ -1,5 +1,6 @@
 import { ComponentFixture, TestBed } from '@angular/core/testing';
 import { UpWindowAngularComponent } from './up-window-angular.component';
+import { By } from '@angular/platform-browser';
 
 describe('UpWindowAngularComponent', () => {
   let component: UpWindowAngularComponent;
@@ -7,7 +8,7 @@ describe('UpWindowAngularComponent', () => {
 
   beforeEach(async () => {
     await TestBed.configureTestingModule({
-      imports: [UpWindowAngularComponent],
+      declarations: [UpWindowAngularComponent],
     }).compileComponents();
 
     fixture = TestBed.createComponent(UpWindowAngularComponent);
@@ -15,7 +16,76 @@ describe('UpWindowAngularComponent', () => {
     fixture.detectChanges();
   });
 
-  it('should create', () => {
+  it('should create the component', () => {
     expect(component).toBeTruthy();
   });
+
+  it('should render title and subtitle', () => {
+    component.title = 'Test Title';
+    component.subtitle = 'Test Subtitle';
+    fixture.detectChanges();
+
+    const titleElement = fixture.debugElement.query(By.css('.up-window-title')).nativeElement;
+    const subtitleElement = fixture.debugElement.query(By.css('.up-window-subtitle')).nativeElement;
+
+    expect(titleElement.textContent).toContain('Test Title');
+    expect(subtitleElement.textContent).toContain('Test Subtitle');
+  });
+
+  it('should apply the correct animation class when opening and closing the window', () => {
+    component.animation = 'slide';
+    component.isOpen.set(true);
+    fixture.detectChanges();
+
+    let windowElement = fixture.debugElement.query(By.css('.up-window'));
+    expect(windowElement.classes['slide']).toBeTruthy();
+
+    component.closeWindow();
+    fixture.detectChanges();
+
+    setTimeout(() => {
+      windowElement = fixture.debugElement.query(By.css('.up-window'));
+      expect(windowElement.classes['slide-out']).toBeTruthy();
+      expect(component.isOpen()).toBeFalse();
+    }, 300);
+  });
+
+  it('should trigger onConfirm and onCancel when buttons are clicked', () => {
+    spyOn(component, 'onConfirm').and.callThrough();
+    spyOn(component, 'onCancel').and.callThrough();
+
+    const confirmButton = fixture.debugElement.query(By.css('.btn-confirm')).nativeElement;
+    const cancelButton = fixture.debugElement.query(By.css('.btn-cancel')).nativeElement;
+
+    confirmButton.click();
+    expect(component.onConfirm).toHaveBeenCalled();
+
+    cancelButton.click();
+    expect(component.onCancel).toHaveBeenCalled();
+  });
+
+  it('should apply custom class from @Input', () => {
+    component.class = 'custom-class';
+    fixture.detectChanges();
+
+    const windowElement = fixture.debugElement.query(By.css('.up-window'));
+    expect(windowElement.classes['custom-class']).toBeTruthy();
+  });
+
+  it('should set isOpen to true when openWindow is called', () => {
+    component.openWindow();
+    expect(component.isOpen()).toBeTrue();
+  });
+
+  it('should set isOpen to false after closeWindow is called', () => {
+    component.isOpen.set(true);
+    fixture.detectChanges();
+
+    component.closeWindow();
+    fixture.detectChanges();
+
+    setTimeout(() => {
+      expect(component.isOpen()).toBeFalse();
+    }, 300);
+  });
 });
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 2a01a15..4693ca5 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
@@ -18,8 +18,9 @@ export class UpWindowAngularComponent implements OnInit {
   @Input() subtitle: string = 'Default Subtitle';
   @Input() size: string = 'medium';
   @Input() class: string | undefined;
-
   @Input() isOpen: WritableSignal<boolean> = signal(false);
+  @Input() animation: string = 'fade';
+  closingAnimation: boolean = false;
 
   ngOnInit(): void {}
 
@@ -28,7 +29,20 @@ export class UpWindowAngularComponent implements OnInit {
   }
 
   closeWindow() {
-    this.isOpen.set(false);
+    this.closingAnimation = true;
+
+    setTimeout(() => {
+      this.isOpen.set(false);
+      this.closingAnimation = false;
+    }, 300);
+  }
+
+  getClass() {
+    return {
+      ...(this.class ? { [this.class]: true } : {}),
+      [this.animation]: !this.closingAnimation,
+      [`${this.animation}-out`]: this.closingAnimation,
+    };
   }
 
   onConfirm() {
diff --git a/src/app/app.component.html b/src/app/app.component.html
index 1b25c30..234ad9c 100644
--- a/src/app/app.component.html
+++ b/src/app/app.component.html
@@ -26,16 +26,64 @@
         </button>
       </div>
       <hr />
-      <button class="button-modal-example" type="button" (click)="openModalExample()">
-        Open Modal Example
+      <button class="button-modal-example" type="button" (click)="openWindowExample('fade')">
+        Open Fade Example
       </button>
       <up-window-angular
-        [isOpen]="isModalOpenExample"
-        title="Modal Title"
-        subtitle="This is the subtitle of the modal."
-        size="medium"
+        [isOpen]="isWindowOpenFade"
+        title="Fade Window"
+        subtitle="This window uses a fade animation."
+        animation="fade"
       >
-        Modal Example content!
+        Fade Example content!
+      </up-window-angular>
+
+      <button class="button-modal-example" type="button" (click)="openWindowExample('slide')">
+        Open Slide Example
+      </button>
+      <up-window-angular
+        [isOpen]="isWindowOpenSlide"
+        title="Slide Window"
+        subtitle="This window uses a slide animation."
+        animation="slide"
+      >
+        Slide Example content!
+      </up-window-angular>
+
+      <button class="button-modal-example" type="button" (click)="openWindowExample('slide-up')">
+        Open Slide Up Example
+      </button>
+      <up-window-angular
+        [isOpen]="isWindowOpenSlideUp"
+        title="Slide Up Window"
+        subtitle="This window uses a slide-up animation."
+        animation="slide-up"
+      >
+        Slide Up Example content!
+      </up-window-angular>
+
+      <button class="button-modal-example" type="button" (click)="openWindowExample('slide-down')">
+        Open Slide Down Example
+      </button>
+      <up-window-angular
+        [isOpen]="isWindowOpenSlideDown"
+        title="Slide Down Window"
+        subtitle="This window uses a slide-down animation."
+        animation="slide-down"
+      >
+        Slide Down Example content!
+      </up-window-angular>
+
+      <button class="button-modal-example" type="button" (click)="openWindowExample('scale')">
+        Open Scale Example
+      </button>
+      <up-window-angular
+        [isOpen]="isWindowOpenScale"
+        title="Scale Window"
+        subtitle="This window uses a scale animation."
+        animation="scale"
+      >
+        Scale Example content!
       </up-window-angular>
     </div>
   </main>
diff --git a/src/app/app.component.ts b/src/app/app.component.ts
index 62238a9..213ab72 100644
--- a/src/app/app.component.ts
+++ b/src/app/app.component.ts
@@ -28,10 +28,36 @@ export class AppComponent {
 
   codeString: string = '<up-window-angular />';
   isModalActive: boolean = false;
-  isModalOpenExample: WritableSignal<boolean> = signal(false);
+  isWindowOpenFade: WritableSignal<boolean> = signal(false);
+  isWindowOpenSlide: WritableSignal<boolean> = signal(false);
+  isWindowOpenSlideUp: WritableSignal<boolean> = signal(false);
+  isWindowOpenSlideDown: WritableSignal<boolean> = signal(false);
+  isWindowOpenScale: WritableSignal<boolean> = signal(false);
 
-  openModalExample() {
-    this.isModalOpenExample.set(true);
+  openWindowExample(animation: string) {
+    this.isWindowOpenFade.set(false);
+    this.isWindowOpenSlide.set(false);
+    this.isWindowOpenSlideUp.set(false);
+    this.isWindowOpenSlideDown.set(false);
+    this.isWindowOpenScale.set(false);
+
+    switch (animation) {
+      case 'fade':
+        this.isWindowOpenFade.set(true);
+        break;
+      case 'slide':
+        this.isWindowOpenSlide.set(true);
+        break;
+      case 'slide-up':
+        this.isWindowOpenSlideUp.set(true);
+        break;
+      case 'slide-down':
+        this.isWindowOpenSlideDown.set(true);
+        break;
+      case 'scale':
+        this.isWindowOpenScale.set(true);
+        break;
+    }
   }
 
   openModal(): void {