.sb-header {
background-color: orange !important;
}

.sb-header::before {
    content: 'AMBIENTE DI TEST';
    color: #0029ff;
    position: absolute;
    font-size: 16px;
    left: 0;
    right: 0;
    margin: auto;
    width: fit-content;
    vertical-align: middle;
    font-weight: bold;
    top: 5px;
}