.dev-system-banner {
    background: #c1121f;
    color: #fff;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0;
    line-height: 32px;
    min-height: 32px;
    left: 0;
    position: fixed;
    text-align: center;
    text-transform: uppercase;
    top: 0;
    width: 100%;
    z-index: 10000;
}

body.has-dev-system-banner {
    padding-top: 32px;
}

body.has-dev-system-banner .sidebar {
    top: 32px;
}