Crear diseño de entradas destacadas con HTML y CSS

<div class="destacados">
    <div class="post-dest"><img src="https://i.pinimg.com/originals/0e/7f/66/0e7f665474914ade5e81f54e986a73e1.jpg"><h1>titulo de entrada</h1></div>
    <div class="post-dest"><img src="https://i.pinimg.com/originals/0e/7f/66/0e7f665474914ade5e81f54e986a73e1.jpg"><h1>titulo de entrada</h1></div>
    <div class="post-dest"><img src="https://i.pinimg.com/originals/0e/7f/66/0e7f665474914ade5e81f54e986a73e1.jpg"><h1>titulo de entrada</h1></div>
    <div class="post-dest"><img src="https://i.pinimg.com/originals/0e/7f/66/0e7f665474914ade5e81f54e986a73e1.jpg"><h1>titulo de entrada</h1></div>
    <div class="post-dest"><img src="https://i.pinimg.com/originals/0e/7f/66/0e7f665474914ade5e81f54e986a73e1.jpg"><h1>titulo de entrada</h1></div>
</div>

.destacados {
  display: grid;
  grid-template-rows: repeat(5, minmax(0, 1fr));
  grid-auto-flow: column;
  gap: 1rem;
  height: 1000px;
}
.post-dest {
  border-radius: 0.375rem;
  overflow: hidden;
  position: relative;
}
.post-dest img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.post-dest h1 {
  padding: 3rem 1rem 1rem;
  width: -webkit-fill-available;
  position: absolute;
  bottom: 0px;
  background-image: linear-gradient(to bottom,transparent,rgba(0,0,0,0.75) 100%);
  margin: 0;
  color: #fff;
}
@media (min-width: 640px) {
  .destacados {
    grid-template-rows: repeat(3, minmax(0, 1fr));
  }
  .post-dest:first-child {
    grid-column: span 2 / span 2;
  }
}
@media (min-width: 1024px) {
  .destacados {
    grid-template-rows: repeat(2, minmax(0, 1fr));
    height: 500px;
  }
  .post-dest:first-child {
    grid-row: span 2 / span 2;
    grid-column: span 1 / span 1;
  }
}