#env-banner {
    height: 32px;
    line-height: 32px;
    text-align: center;
    font-weight: bold;
    color: white;
    font-family: system-ui, sans-serif;
    position: sticky; 
    top: 0;
    z-index: 9999; 
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}