JSFiddle - React, Tailwind, and code Playground

by agib

HTML

<div class="container">
  <div class="card"></div>
</div>

CSS

.container {
  outline: 2px dashed red;
}
.card {
  height: 10rem;
  width: 10rem;
  border: 1px solid #333;
}

@container (min-width: 700px){
  .card {
    background-color: blue;
  }
}