JSFiddle - React, Tailwind, and code Playground

by darkylmnx

HTML

<div class="parent">
  <nav class="nav1 is-active">
    <div class="header">
      <h1>Brandingu</h1>
      <button>menu</button>
    </div>
    <ul>
      <li>item 1</li>
      <li>item 2</li>
      <li>item 3</li>
      <li>item 4</li>
      <li>item 5</li>
      <li>item 6</li>
    </ul>
  </nav>
  
  <main>
    Lorem ipsum dolor sit amet, consectetur adipisicing elit. Ipsa eos et nihil, aspernatur magni aliquam hic voluptatibus, voluptatum dolores cumque enim alias at, harum distinctio pariatur veritatis similique corporis. Aliquam.
  </main>
</div>

CSS

* {
  padding: 0;
  margin: 0;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
}

ul {
  list-style: none;
}

.parent {
  display: flex;
}

.nav1 {
  flex: none;
  width: 256px;
  height: 100vh;
  background: black;
  color: #fff;
  padding: 20px;
}

.nav1 .header {
  display: flex;
  justify-content: space-between;
}

.nav1 button {
  display: none;
}

main {
  padding: 20px;
}

@media screen and (max-width: 640px) {
  .nav1 {
    /* display: none;
    position: fixed;
    top: 0;
    left: 0;;
    width: 100%; */
    width: 100%;
  }
  
  .nav1.is-active {
    /* display: block; */
  }
  
  .parent {
    display: block;
  }
  
  .nav1 {
    height: auto;
  }
  
  .nav1 button {
    display: block;
  }
  
  .nav1 ul:not(.is-active) {
    display: none;
  }
}