houdini/app/assets/stylesheets/campaigns/common.css.scss

/* License: AGPL-3.0-or-later WITH WTO-AP-3.0-or-later
Full license explanation at https://github.com/houdiniproject/houdini/blob/master/LICENSE */

body .campaign-banner {
  margin: auto;
  width: 980px;
  max-height: 120px;
  text-align: center;
  overflow: hidden;
}