.spinner-div {
    height: 50vh;
}
.spinner-div .spinner-border {
    width: 5rem; height: 5rem;
}

#error-message {
    color: red;
    font-weight: bold;
    text-align: center;
    margin-top: 20px;
}

.error-message {
    color: red;
    font-weight: bold;
    text-align: center;
    margin-top: 20px;
}