css


HTML + CSS

HTML

:
<div class="hide-on-mob">          </div>
CSS

:
@media screen and (max-width: 900px) {
  .hide-on-mob {
      display: none;
  }
}
--------------------------------------------------------------------

CSS

CSS

:
@media screen and (max-width: 600px) {
  #title_message {
    visibility: hidden;
    display: none;
  }
}
css :
#header

.header

:

https://stackoverflow.com/questions/...bile-view-only
https://stackoverflow.com/questions/...ices-using-css