title: Not working adapting menu and misplaced placeholder search
body: <p>Not working adapting menu and misplaced placeholder search.
  I'm trying to make an adaptive menu and ran into some problem.</p>
  <p><a href="https://i.stack.imgur.com/lo6NB.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/lo6NB.png" alt="enter image description here" /></a></p>
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.6.1/dist/css/bootstrap.min.css" integrity="sha384-zCbKRCUGaJDkqS1kPbPd7TveP5iyJE0EjAuZQTgFLD2ylzuqKfdKlfG/eSrtxUkn" crossorigin="anonymous"&gt;
  
  &lt;nav class="navbar navbar-expand-sm navbar-light bg-light"&gt;
    &lt;div class="container"&gt;
      &lt;a href="" class="navbar-brand"&gt;FlipKips&lt;/a&gt;
      &lt;button class="navbar-toggler" type="button" data-toggler="collapse" data-target="#navbarContent" aria-controls="navbarContent" aria-expanded="false"&gt;
          &lt;span class="navbar-toggler-icon"&gt;
          &lt;/span&gt;
          &lt;/button&gt;
      &lt;div class="collapse navbar-collapse" id="navbarContent"&gt;
        &lt;ul class="navbar-nav mr-auto mb-2"&gt;
          &lt;li class="nav-item"&gt;
            &lt;a href="" class="nav-link"&gt;Telegram&lt;/a&gt;
          &lt;/li&gt;
          &lt;li class="nav-item"&gt;
            &lt;a href="" class="nav-link"&gt;Discord&lt;/a&gt;
          &lt;/li&gt;
        &lt;/ul&gt;
        &lt;form action="" class="d-flex"&gt;
          &lt;input type="search" placeholder="Поиск" class="form-control mr-2"&gt;
        &lt;/form&gt;
      &lt;/div&gt;
    &lt;/div&gt;
  &lt;/nav&gt;</code></pre>
  </div>
  </div>
  </p>