JSFiddle - React, Tailwind, and code Playground

by tbarborik

HTML

<!DOCTYPE html>
<html lang="cs">

  <head>
    <meta charset="UTF-8">
    <title>Document</title>

  </head>

  <body>
    <div class="top-container" id="_top-container">
      <div class="item-container">
        <div class="item">
          <div class="item_purple"></div>
          <div class="item_black"></div>
        </div>
        <div class="item">
          <div class="item_purple"></div>
          <div class="item_black"></div>
        </div>
        <div class="item">
          <div class="item_purple"></div>
          <div class="item_black"></div>
        </div>
        <div class="item">
          <div class="item_purple"></div>
          <div class="item_black"></div>
        </div>
      </div>
    </div>
  </body>

</html>

SCSS

.top-container {
  --bg: white;
  
  padding: 40px;  
  container: top-container / inline-size;
  background: var(--bg);
  
  &-black {
    --bg: black
  }
}

.item-container {
  gap: 10px;
  display: flex;
  container: item-container / inline-size;
}

.item {
  gap: 5px;
  flex: 1;
  border: 1px solid rgba(black, .3);
  display: flex;
  aspect-ratio: 1;
 
   &_purple {
     flex: 1;
     background: purple;
   }
   
   &_black {
     flex: 1;
     background: black
   }
}

@container item-container (max-width: 480px) {
  .item {
    flex-direction: column
  }
}