.alert-visible-green {
    display: block !important;
    transition: opacity 0.5s ease-in-out;
    color: green;
    vertical-align: middle;
    align-content: center;
}
.alert-visible-red {
    display: block !important;
    transition: opacity 0.5s ease-in-out;
    color: red;
    vertical-align: middle;
    align-content: center;
}
.alert-hidden {
    display: none !important; 
    opacity: 0;
}

.menu-separator {
    border: 0;
    border-top: 1px solid #ccc;
    margin: 5px 0;
    color: white;
}