diff --git a/responsive.html b/responsive.html
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+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <meta http-equiv="X-UA-Compatible" content="ie=edge">
+    <title>Document</title>
+    <link rel="stylesheet" href="css/bootstrap.css">
+</head>
+<body class="d-flex flex-column min-vh-100">
+    <!-- navigační lištu -->
+    <div class="container">
+            <header class="d-flex flex-wrap justify-content-center py-3 mb-4 border-bottom">
+              <a href="/" class="d-flex align-items-center mb-3 mb-md-0 me-md-auto text-dark text-decoration-none">
+                <span class="fs-4">Nazev Aplikace</span>
+              </a>        
+              <ul class="nav nav-pills">
+                <li class="nav-item"><a href="#" class="nav-link active" aria-current="page">Home</a></li>
+                <li class="nav-item"><a href="#" class="nav-link">Link 1</a></li>
+                <li class="nav-item"><a href="#" class="nav-link">Link 2</a></li>
+                <li class="nav-item"><a href="#" class="nav-link">Link 3</a></li>
+              </ul>
+            </header>
+          </div>
+    <!-- HLAVNÍ ČÁST KÓDU -->
+    <main class="container">
+      <h1 class="display-1">Responzivní web</h1>
+      <!-- základní zobrazení -->
+      <div class="row">
+        <div class="col-lg-6 col-md-12 bg-info">
+          <h4>Nadpis 1</h4>
+          Lorem ipsum dolor sit, amet consectetur adipisicing elit. Libero cumque sapiente nulla unde quis quae facilis, blanditiis reiciendis rem illo debitis quo alias enim deserunt quos impedit, quod, eligendi soluta.</div>
+        <div class="col-lg-6 col-md-12 bg-warning">
+          <h4>Nadpis 2</h4>
+          Lorem ipsum dolor sit, amet consectetur adipisicing elit. Libero cumque sapiente nulla unde quis quae facilis, blanditiis reiciendis rem illo debitis quo alias enim deserunt quos impedit, quod, eligendi soluta.</div>
+      </div>
+<hr>
+      <!-- Ukazka responzibility pro ruzna zarizení, XL,LG,MD,SM -->
+      <div class="row">
+        <div class="col-xl-2 col-lg-3 col-md-4 col-sm-6"><h4>Nadpis</h4> Lorem ipsum dolor sit amet consectetur adipisicing elit. Maxime nihil possimus maiores eaque totam impedit vero quod quam voluptate tempora fugit minima fuga labore cum similique excepturi ducimus, ullam qui.</div>
+        <div class="col-xl-2 col-lg-3 col-md-4 col-sm-6"><h4>Nadpis</h4> Lorem ipsum dolor sit amet consectetur adipisicing elit. Maxime nihil possimus maiores eaque totam impedit vero quod quam voluptate tempora fugit minima fuga labore cum similique excepturi ducimus, ullam qui.</div>
+        <div class="col-xl-2 col-lg-3 col-md-4 col-sm-6"><h4>Nadpis</h4> Lorem ipsum dolor sit amet consectetur adipisicing elit. Maxime nihil possimus maiores eaque totam impedit vero quod quam voluptate tempora fugit minima fuga labore cum similique excepturi ducimus, ullam qui.</div>
+        <div class="col-xl-2 col-lg-3 col-md-4 col-sm-6"><h4>Nadpis</h4> Lorem ipsum dolor sit amet consectetur adipisicing elit. Maxime nihil possimus maiores eaque totam impedit vero quod quam voluptate tempora fugit minima fuga labore cum similique excepturi ducimus, ullam qui.</div>
+        <div class="col-xl-2 col-lg-3 col-md-4 col-sm-6"><h4>Nadpis</h4> Lorem ipsum dolor sit amet consectetur adipisicing elit. Maxime nihil possimus maiores eaque totam impedit vero quod quam voluptate tempora fugit minima fuga labore cum similique excepturi ducimus, ullam qui.</div>
+        <div class="col-xl-2 col-lg-3 col-md-4 col-sm-6"><h4>Nadpis</h4> Lorem ipsum dolor sit amet consectetur adipisicing elit. Maxime nihil possimus maiores eaque totam impedit vero quod quam voluptate tempora fugit minima fuga labore cum similique excepturi ducimus, ullam qui.</div>
+      </div>
+<hr>
+      <!-- Ukázka ruzně velkého obsahu -->
+      <div class="row">
+        <div class="col-xl-6 col-sm-12"> <b>Lorem ipsum</b> dolor sit amet consectetur adipisicing elit. Enim adipisci inventore modi nulla corrupti ex reprehenderit, accusantium ab voluptatum molestias atque exercitationem maiores molestiae mollitia asperiores rerum quod harum dicta.</div>
+        <div class="col-xl-3 col-sm-6"> <b>Lorem ipsum</b> dolor sit amet consectetur adipisicing elit. Repudiandae, similique quos quasi at accusantium rem deleniti dolor, nostrum laudantium ut officiis sit repellat fugiat aliquam nobis unde. Consequatur, nam eveniet?</div>
+        <div class="col-xl-3 col-sm-6"> <b>Lorem ipsum</b> dolor sit amet consectetur adipisicing elit. Fugit laudantium itaque praesentium officiis, quae optio voluptatem tenetur omnis delectus expedita. Molestiae fuga quibusdam incidunt doloremque aperiam consequatur ea impedit mollitia?</div>
+      </div>
+<hr>
+
+<!-- Ukazka vycentrovaneho obsahu -->
+      <div class="row justify-content-center">
+        <div class="col-lg-2 " >1/3</div>
+        <div class="col-md-auto">Lorem ipsum</div>
+        <div class="col-lg-2">3/3</div>
+      </div>
+      <hr>
+<!-- Ukazka offsetu -->
+<div class="row">
+  <div class="col-md-4"><b> Lorem ipsum</b> dolor sit amet consectetur adipisicing elit. Sed cumque nesciunt distinctio ratione cupiditate, quae, neque eius aperiam ex totam animi nihil dolorum, labore illo tempora dolorem? Voluptatibus, libero animi!</div>
+  <div class="col-md-4 offset-md-4"> <b>Lorem, ipsum</b> dolor sit amet consectetur adipisicing elit. Esse, vel consequatur illo, perferendis architecto, inventore aliquam fuga adipisci error odit harum. Amet eveniet veniam obcaecati quos cum, beatae fugiat velit.</div>
+</div>
+
+
+    </main>
+    
+    
+    <!-- Footer - zakončení stránky -->    
+    <footer class="footer mt-auto">
+            <ul class="nav justify-content-center border-bottom py-2  mb-3">
+                <li class="nav-item"><a href="#" class="nav-link text-muted">HOME</a></li>
+                <li class="nav-item"><a href="#" class="nav-link text-muted">Link1</a></li>
+                <li class="nav-item"><a href="#" class="nav-link text-muted">Link2</a></li>    
+            </ul>
+            <p class="text-center text-muted">Škrabánek 2022</p>
+    </footer>
+
+
+
+    <script src="js/bootstrap.bundle.js"></script>
+</body>
+</html>
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