How to Use a C S S Class Um or Mixin in a Page?

There might be certain things on the page that should only be visible to sighted people, and there other things that shouldonly be visible to screen use us. We can use a visually hidden a c s s class um or or mixin, or whatever we're using, to just tide it sually, but still make it available in the accessibility tree. If your menu button doesn't em like your hamburger menu button is what it is then you don't really have to do anything. There's just some different things you can do to vigil hide it vigily. I think its y position absolute, making one pic, hi over wo hidden, all these different things.