cssOMS/alert.scss

div.alert {
    padding: 10px;
    font-weight: bold;

    i {
        margin-right: 5px;
    }
}

.alertbox.ok, .alert.ok {
    background: #aaffad;
    border: 2px solid #81e27d;
    color: #459442;
}

.alertbox.warning, .alert.warning {
    background: #f8ffa8;
    border: 2px solid #d6d949;
    color: #94972f;
}

.alertbox.error, .alert.error{
    background: #ff7d79;
    border: 2px solid #ee5649;
    color: #a5302a;
}

.alertbox.info, .alert.info{
    background: #b6d2ff;
    border: 2px solid #85b0ee;
    color: #4865a5;
}