.menubar { position: relative; aspect-ratio: 1200 / 41; }
.menubar .panel {
  position: absolute; left: 25.167%; top: 9.024%; width: 53.000%;
  box-sizing: border-box; padding: 0.167% 0.500%;
  background: var(--panel); border-radius: 3px;
  box-shadow: 0 0 0 1px rgba(0,0,0,.5), 0 0 24px rgba(var(--on-rgb), .18);
}
.menubar .panel canvas { display: block; width: 100%; }