<body>
 <div class="container">
<ul class="menu">
  <li><a href="">Пункт меню</a></li>
  <li><a href="">Пункт меню</a></li>
  <li><a href="">Пункт меню</a></li>
  <li><a href="">Пункт меню</a></li>
  <li><a href="">Пункт меню</a></li>
  <li><a href="">Пункт меню</a></li>
</ul>
   </div>
</body>
* {
  font-family: sans-serif;
  text-decoration: none;
  list-style-type: none;
  color:black;
}
body {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}
.menu {
  display: flex;
  overflow: scroll;
  text-align: center;
  padding: 0;
}
.menu li {
  padding: 10px;
}
.menu a {
}
.container {
  background:gray;
  height: 300px;
  width: 300px;
}

External CSS

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External JavaScript

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