<div class="container">
  <p class="column">
    <img src="https://satyr.dev/400x300/58563a" alt="Satyr.io dummy image" width="400" height="300" />
  </p>
  <p class="column">2</p>
  <p class="column">3</p>
</div>
.container {
  display: grid;
  grid-template-columns: minmax(auto, auto) 1fr 1fr;
  gap: 10px;
}

img {
  max-width: 100%;
  height: auto;
  min-width: 100px;
}

/* ETC (Formatting only): */

body {
  margin: 1.5em;
  font-size: 130%;
  font-family: sans-serif;
  background: #F2F0EC;
  color: #2E2C08;
}

.container {
  border: 10px solid #2E2C08;
  background: white;  
  padding: 1em;
}

.column {
  padding: 0.5em;
  text-align: center;
  color: #2E2C08;
  background: #e5e3de; 
  font-weight: bold;
  margin-top: 0;
  margin-bottom: 0;
  text-align: center;
}

.column:first-child {
  background: #2E2C08;
  color: white;
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.