diff --git a/src/app/components/app/app.component.html b/src/app/components/app/app.component.html
index 6c578e3..3ffd704 100644
--- a/src/app/components/app/app.component.html
+++ b/src/app/components/app/app.component.html
@@ -4,14 +4,22 @@
 </button>
 @if (showControls) {
     <div class="controls">
-        <mat-button-toggle-group vertical multiple>
+        <mat-button-toggle-group vertical multiple class="generator-toggles">
             <mat-button-toggle [checked]="showRegon" (change)="showRegon = $event.source.checked">REGON</mat-button-toggle>
             <mat-button-toggle [checked]="showNip" (change)="showNip = $event.source.checked">NIP</mat-button-toggle>
             <mat-button-toggle [checked]="showPesel" (change)="showPesel = $event.source.checked">PESEL</mat-button-toggle>
             <mat-button-toggle [checked]="showIdentityCard" (change)="showIdentityCard = $event.source.checked">DOWÓD</mat-button-toggle>
-            <mat-button-toggle [checked]="showMobile" (change)="showMobile = $event.source.checked">MOBILNY</mat-button-toggle>
+            <mat-button-toggle [checked]="showMobile" (change)="showMobile = $event.source.checked">KOMÓRA</mat-button-toggle>
             <mat-button-toggle [checked]="showIban" (change)="showIban = $event.source.checked">IBAN</mat-button-toggle>
         </mat-button-toggle-group>
+
+        <mat-button-toggle-group vertical class="theme-toggles">
+            @for (theme of themes; track theme.value) {
+                <mat-button-toggle [checked]="selectedTheme === theme.value" (change)="setTheme(theme.value)">
+                    {{theme.name}}
+                </mat-button-toggle>
+            }
+        </mat-button-toggle-group>
     </div>
 }
 <div class="generators">
diff --git a/src/app/components/app/app.component.scss b/src/app/components/app/app.component.scss
index 263d3a0..117e2e8 100644
--- a/src/app/components/app/app.component.scss
+++ b/src/app/components/app/app.component.scss
@@ -3,9 +3,9 @@
   top: 10px;
   right: 10px;
   z-index: 11;
-  background: rgba(255, 255, 255, 0.15);
+  background: rgba(0, 0, 0, 0.4);
   backdrop-filter: blur(10px);
-  border: 1px solid rgba(255, 255, 255, 0.2);
+  border: 1px solid rgba(255, 255, 255, 0.1);
   border-radius: 50%;
   width: 40px;
   height: 40px;
@@ -24,7 +24,7 @@
   }
 
   &:hover {
-    background-color: rgba(255, 255, 255, 0.3);
+    background-color: rgba(255, 255, 255, 0.2);
     transform: rotate(30deg);
   }
 
@@ -37,8 +37,9 @@
 
 .controls {
   display: flex;
-  flex-direction: column;
-  align-items: flex-end;
+  flex-direction: row;
+  align-items: flex-start;
+  gap: 10px;
   padding: 0;
   position: fixed;
   top: 60px;
@@ -52,21 +53,22 @@
   }
 
   mat-button-toggle-group {
-    background: rgba(255, 255, 255, 0.15);
+    background: rgba(0, 0, 0, 0.4);
     backdrop-filter: blur(10px);
-    border: 1px solid rgba(255, 255, 255, 0.2);
+    border: 1px solid rgba(255, 255, 255, 0.1);
     border-radius: 8px;
-    box-shadow: 0 4px 16px 0 rgba(0, 38, 135, 0.2);
+    box-shadow: 0 4px 16px 0 var(--shadow-color);
     overflow: hidden;
     flex-direction: column;
+    transition: box-shadow 0.5s ease;
   }
 
   mat-button-toggle {
     color: white;
     font-family: 'Comfortaa', sans-serif;
-    border-bottom: 1px solid rgba(255, 255, 255, 0.2) !important;
+    border-bottom: 1px solid rgba(255, 255, 255, 0.1) !important;
     border-left: none !important;
-    background-color: rgba(51, 98, 188, 0.4);
+    background-color: rgba(0, 0, 0, 0.2);
     width: 100%;
 
     &:last-child {
@@ -74,8 +76,9 @@
     }
 
     &.mat-button-toggle-checked {
-      background-color: rgba(255, 255, 255, 0.3);
+      background-color: rgba(255, 255, 255, 0.2);
       color: white;
+      font-weight: bold;
     }
 
     &:hover {
diff --git a/src/app/components/app/app.component.ts b/src/app/components/app/app.component.ts
index a92b09d..359bc4e 100644
--- a/src/app/components/app/app.component.ts
+++ b/src/app/components/app/app.component.ts
@@ -17,17 +17,49 @@ export class AppComponent implements OnInit {
 
   showControls = false;
   isInitialVisible = true;
+  selectedTheme = '';
+
+  themes = [
+    { name: 'BŁĘKITNY', value: '' },
+    { name: 'AMARANTOWY', value: 'theme-light-blue' },
+    { name: 'MIEDZIANY', value: 'theme-light-orange' },
+    { name: 'ŁOSOSIOWY', value: 'theme-light-pink' },
+    { name: 'OLIWKOWY', value: 'theme-dark-grey' }
+  ];
 
   constructor(private cdr: ChangeDetectorRef, private eRef: ElementRef) {
   }
 
   ngOnInit(): void {
+    const savedTheme = localStorage.getItem('selectedTheme');
+    if (savedTheme) {
+      this.selectedTheme = savedTheme;
+      this.applyTheme(savedTheme);
+    }
     setTimeout(() => {
       this.isInitialVisible = false;
       this.cdr.detectChanges();
     }, 3000);
   }
 
+  setTheme(theme: string) {
+    this.selectedTheme = theme;
+    localStorage.setItem('selectedTheme', theme);
+    this.applyTheme(theme);
+  }
+
+  private applyTheme(theme: string) {
+    const body = document.body;
+    this.themes.forEach(t => {
+      if (t.value) {
+        body.classList.remove(t.value);
+      }
+    });
+    if (theme) {
+      body.classList.add(theme);
+    }
+  }
+
   @HostListener('document:click', ['$event'])
   clickout(event: Event) {
     const settingsButton = this.eRef.nativeElement.querySelector('.settings-button');
diff --git a/src/app/components/identitycard/identitycard.component.html b/src/app/components/identitycard/identitycard.component.html
index 3356630..057e784 100644
--- a/src/app/components/identitycard/identitycard.component.html
+++ b/src/app/components/identitycard/identitycard.component.html
@@ -1,6 +1,6 @@
 <div class="generator">
     <div class="title">
-        <span>DOWÓD OSOBISTY</span>
+        <span>DOWÓD</span>
     </div>
     <div class="container">
         <input type="text" [formControl]="valueField" />
diff --git a/src/app/components/mobile/mobile.component.html b/src/app/components/mobile/mobile.component.html
index 73d80f8..59ad952 100644
--- a/src/app/components/mobile/mobile.component.html
+++ b/src/app/components/mobile/mobile.component.html
@@ -1,6 +1,6 @@
 <div class="generator">
     <div class="title">
-        <span>KOMÓRKA</span>
+        <span>KOMÓRA</span>
         <div class="titleButtons">
         </div>
     </div>
diff --git a/src/styles.scss b/src/styles.scss
index a0f2da4..8441454 100644
--- a/src/styles.scss
+++ b/src/styles.scss
@@ -1,3 +1,28 @@
+:root {
+  --primary-gradient: linear-gradient(to bottom, #3362bc, #4f7cd1, #3362bc);
+  --shadow-color: rgba(1, 29, 96, 0.37);
+}
+
+.theme-light-blue {
+  --primary-gradient: linear-gradient(to bottom, #2a0f39, #491375, #241345);
+  --shadow-color: rgb(10, 1, 43);
+}
+
+.theme-light-orange {
+  --primary-gradient: linear-gradient(to bottom, #673e1b, #9c6b37, #633718);
+  --shadow-color: rgb(43, 19, 1);
+}
+
+.theme-light-pink {
+  --primary-gradient: linear-gradient(to bottom, #78424c, #7a4d54, #90505a);
+  --shadow-color: rgb(32, 16, 18);
+}
+
+.theme-dark-grey {
+  --primary-gradient: linear-gradient(to bottom, #2f4f37, #456c37, #2f4f37);
+  --shadow-color: rgba(0, 0, 0, 0.5);
+}
+
 @font-face {
   font-family: 'Comfortaa';
   src: url('assets/Comfortaa-VariableFont_wght.ttf');
@@ -14,6 +39,7 @@ body {
   border: none;
   font-size: 150%;
   font-family: 'Comfortaa', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
+  transition: background 0.5s ease;
 }
 
 .gradient {
@@ -23,7 +49,8 @@ body {
   right: 0;
   bottom: 0;
   z-index: -1;
-  background-image: linear-gradient(to bottom, #3362bc, #3d6cc7, #4776d1, #5181dc, #5a8be7, #5a8be7, #5b8ae7, #5b8ae7, #527fdc, #4975d1, #406ac7, #3760bc);
+  background-image: var(--primary-gradient);
+  transition: background-image 0.5s ease;
 }
 
 .generators {
@@ -38,9 +65,10 @@ body {
 .generator {
   margin: 1em;
   background: rgba( 255, 255, 255, 0.15 );
-  box-shadow: 0 8px 32px 0 rgba( 0, 38, 135, 0.37 );
+  box-shadow: 0 8px 32px 0 var(--shadow-color);
   border-radius: 3px;
   border: 1px solid rgba( 255, 255, 255, 0.18 );
+  transition: box-shadow 0.5s ease;
 }
 
 .container {
@@ -138,9 +166,10 @@ input[type="text"] {
   color: white;
 
   background: rgba(255, 255, 255, 0.15);
-  box-shadow: 0 8px 32px 0 rgba( 0, 38, 135, 0.37 );
+  box-shadow: 0 8px 32px 0 var(--shadow-color);
   border-radius: 3px;
-  border: 1px solid rgba( 255, 255, 255, 0.20 );
+  border: 1px solid rgba(255, 255, 255, 0.20);
+  transition: box-shadow 0.5s ease;
 
   &.ng-valid {
       border-bottom: 3px solid #87e17a
@@ -165,9 +194,10 @@ input[type="number"] {
   color: white;
 
   background: rgba(255, 255, 255, 0.15);
-  box-shadow: 0 8px 32px 0 rgba( 0, 38, 135, 0.37 );
+  box-shadow: 0 8px 32px 0 var(--shadow-color);
   border-radius: 3px;
-  border: 1px solid rgba( 255, 255, 255, 0.20 );
+  border: 1px solid rgba(255, 255, 255, 0.20);
+  transition: box-shadow 0.5s ease;
 }
 
 input::-webkit-outer-spin-button,