:root { --temporary-banner-height: 34px; }

body { box-sizing: border-box; padding-top: var(--temporary-banner-height) !important; }
body::before {
  position: fixed;
  z-index: 2147483647;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  height: var(--temporary-banner-height);
  align-items: center;
  justify-content: center;
  background: #dc2626;
  color: #fff;
  content: "..:: coming soon ::..";
  font-family: Arial, sans-serif;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: .04em;
  line-height: 1;
  text-align: center;
  text-transform: lowercase;
}