.button-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin:0;
    margin-bottom: 15px;
}
.button-container button {
    margin-right: 10px;
}
#error-message {
    display: inline-flex;
    margin: 0;
    margin-bottom: 5px;
}
#dispNone {
    display: none;
}