.lab-banner {
  position: sticky; top: 0; z-index: 9999;
  padding: 8px 14px; font: 500 13px/1.4 system-ui, sans-serif; text-align: center;
  background: #1E7A66; color: #fff;
}
.lab-banner a { color: #fff; text-decoration: underline; }