How to add automatic class in image for wordpress post

Question

I want to make a responsive theme with Bootstrap 3. However, I need to automatically add the CSS class .img-responsive to every post image because I need the i

Answer 1

I think the easiest way is to use CSS like this.

.content img { height: auto; max-width: 100%; }

Where .content is the area that contains your post content.

Note: You may also want to override the .wp-caption class as well like so.

.wp-caption { width: auto !important; }