тег изображения
<picture>
<source srcset="mdn-logo-wide.png" media="(min-width: 600px)">
<img src="mdn-logo-narrow.png" alt="MDN">
</picture>
Ugliest Unicorn
<picture>
<source srcset="mdn-logo-wide.png" media="(min-width: 600px)">
<img src="mdn-logo-narrow.png" alt="MDN">
</picture>
<picture>
<source srcset="logo-768.png 768w, logo-768-1.5x.png 1.5x">
<source srcset="logo-480.png, logo-480-2x.png 2x">
<img src="logo-320.png" alt="logo">
</picture><picture>
<source type="image/webp" srcset="images/butterfly.webp">
<img src="images/butterfly.jpg" alt="a butterfly">
</picture>