<div class="grid">
  <div class="item">
    
      <img src="https://assets.codepen.io/12005/bristol-balloons1.jpg">
      <div class="text">A nice picture of a balloon.</div>
    
  </div>
</div>

body {
  padding: 2em;
  background-color: rgb(192,181,129);
  color: #fff;
  font-family: "system-ui", sans-serif;
}

.grid {
  border: 5px solid #fff;
  max-width: 800px;
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(4,1fr);
  grid-template-rows: repeat(4, minmax(100px, auto));
  container-type: inline-size;
  container-name: my-grid;
}

.item {
  grid-column: 2 / 4;
  grid-row: 2;
  background-color: rgba(255,255,255,.6);
  
}

@container my-grid (min-width: 600px) {
  .item {
    display: grid;
  grid-template-columns: subgrid;
  }
}
img {
  max-width: 100%;
}

.text {
  color: #000;
  padding: 10px;
}