<div class="container">

  <img alt="A baby smiling with a yellow headband." src="https://www.w3cplus.com/sites/default/files/blogs/2021/2110/baby-640w.jpg" srcset="
            https://www.w3cplus.com/sites/default/files/blogs/2021/2110/baby-320w.jpg  320w,
            https://www.w3cplus.com/sites/default/files/blogs/2021/2110/baby-640w.jpg  640w,
            https://www.w3cplus.com/sites/default/files/blogs/2021/2110/baby-960w.jpg  960w,
            https://www.w3cplus.com/sites/default/files/blogs/2021/2110/baby-1280w.jpg 1280w,
            https://www.w3cplus.com/sites/default/files/blogs/2021/2110/baby-1920w.jpg 1920w,
            https://www.w3cplus.com/sites/default/files/blogs/2021/2110/baby-2560w.jpg 2560w" sizes="
            (max-width: 500px) calc(100vw - 2rem), 
            (max-width: 700px) calc(100vw - 6rem),
            calc(100vw - 9rem - 200px)
     " />

</div>

@import url("https://fonts.googleapis.com/css2?family=Exo:wght@600&display=swap");

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  width: 100vw;
  min-height: 100vh;
  font-family: "Exo", Arial, sans-serif;
  background-color: rgb(237 242 247);
  display: grid;
  place-items: center;
  padding: 2rem;
}

img {
  max-width: 100%;
  border: 10px solid white;
  box-shadow: 0 0.2rem 1rem rgba(0, 0, 0, 0.2);
  transform: rotate(3deg);
}

.container {
  max-width: calc(100vw - 200px - 4rem);
  display: grid;
  gap: 1rem;
}

@media (max-width: 700px) {
  .container {
    max-width: calc(100vw - 2rem);
  }
}

@media (max-width: 500px) {
  body {
    margin: 0;
  }

  .container {
    max-width: 100vw;
  }
}