#outdated-browser {
    min-height: 4em;
}

.outdated-browser--is-fixed .outdated-browser__message {
    position: fixed;
    z-index: 2000; /* see https://getbootstrap.com/docs/4.0/layout/overview/#z-index */
    width: 100%;
}

.outdated-browser__message {
    min-height: 4em;
    padding: 1.33em;
    text-align: center;
    background-color: #fff3cd;
    border-bottom: 2px solid #ffeeba;
}

.outdated-browser__message a {
    color: #e67a24;
}

#outdated-browser-dismiss {
    font-size: 0.8em;
    font-weight: bold;
}