How are responsive images on mobile devices?

Question

css

Made a website with bootstrap. Everything looks perfect on the phone, but there is a problem with large images. How to adapt them to the screen? There are many pages with such large images, so a universal option is needed. Has anyone encountered such a problem?
This is an example of a site on mobile:

Answer 1

Everything. Issue resolved. Added to styles:

img {
  display: inline-block;
  height: auto;
  max-width: 100%; 
}

Answer 2

class="img-responsive" tried?