img responsive

by dife

HTML

<img src="https://br.web.img3.acsta.net/r_1920_1080/pictures/14/03/13/10/07/123018.jpg" />

<img class="medida-vw" src="https://br.web.img3.acsta.net/r_1920_1080/pictures/14/03/13/10/07/123018.jpg" />

CSS

img{
  width: 750px;
}

.medida-vw{
  width: 78.5vw;
}