#serve-speed {
  position: fixed;
  right: 20px;
  top: 32%;
  z-index: 20;
  width: 340px;
  box-sizing: border-box;
  color: #fff;
  pointer-events: none;
  user-select: none;
  font: 600 16px/1.7 ui-monospace, Consolas, monospace;
  font-variant-numeric: tabular-nums;
  text-shadow: 0 1px 2px #000, 0 0 4px #000, 0 0 8px #000b;
}
.serve-speed-title { font-size: 20px; margin-bottom: 6px; }
.serve-speed-row { display: flex; justify-content: space-between; gap: 10px; white-space: nowrap; }
.serve-speed-row strong { font-weight: 700; }
@media (max-width: 700px) {
  #serve-speed { right: 10px; top: 24%; width: 280px; font-size: 13px; }
  .serve-speed-title { font-size: 17px; }
}