JSFiddle - React, Tailwind, and code Playground

by kameronmayers

HTML

<div class="header">
  <div class="logo">
    LOGO
  </div>
  <div class="menu">
    <a>Item 1</a>
    <a>Item 2</a>
    <a>Item 3</a>
    <div class="dropdown active">
      <div class="item-4">Item 4 Dropdown</div>
      <div class="dropdown-menu">
        <a>Item A</a>
        <a>Item B</a>
        <a>Item C</a>
        <a>Item D</a>
      </div>
    </div>
    <a>Item 5</a>
  </div>
  
  <div class="other-thing">
    This is some other thing.
  </div>
</div>

SCSS

.header {
  display: flex;
  align-items: center;
  height: 70px;
  padding: 0 10px;
  background-color: #333;

  .logo {
    flex: 0 0 50px;
    color: orange;
    font-size: 30px;
  }

  .menu {
    display: flex;
    flex-grow: 1;
    flex-shrink: 1;
    justify-content: center;
    align-items: center;
    margin: 0 10px;
    padding: 0 10px;
    color: #999;
    min-width: 0;

    > a,
    > .dropdown {
      margin: 0 5px;
      padding: 5px 10px;
      cursor: pointer;
      white-space: nowrap;

      &:hover {
        color: white;
      }
    }

    .dropdown {
      position: relative;

      > .dropdown-menu {
        position: absolute;
        top: 28px;
        left: 0;
        width: 100%;
        padding: 10px 0;
        color: #ccc;
        background-color: #555;

        > a {
          display: block;
          padding: 5px 10px;
        }
      }
    }

    .active {
      background-color: #555;
      color: white;
    }
  }

  .overflow-hidden {
    overflow: hidden;
  }

  .other-thing {
    flex: 0 0 200px;
    padding: 10px;
    background-color: #555;
  }
}

.with-some-space {
  margin-top: 150px;
}

.dropdown-menu {
  display: none;
}

.dropdown > div.item-4:hover ~ .dropdown-menu {
  display: block;
}