foris-js/src/bootstrap/Alert.css

.floating-alert {
    /* Display alert above other components */
    z-index: 2000;
}

@media(max-width: 768px) {
    .floating-alert {
        margin: 0.5rem;
    }
}

@media(min-width: 769px) {
    .floating-alert {
        width: 75%;
        margin: 0.5rem auto;
    }
}