client/src/sass/player/offline-notification.scss

   1 $height: 40px;
   2
   3 .vjs-peertube-offline-notification {
   4   position: absolute;
   5   top: 0;
   6   left: 0;
   7   right: 0;
   8   height: $height;
   9   color: #000;
  10   background-color: var(--mainColorLightest);
  11   text-align: center;
  12   z-index: 1;
  13   display: flex;
  14   justify-content: center;
  15   align-items: center;
  16 }