body {
    margin: 0;
}

#banner {
    width: 100%;
    height: 6em;
    margin: 0;
    padding: 1em 0 1em 0;
    display: flex;
    justify-content: center;
}

#logo {
    width: 11em;
    margin: 1em 0 1em 1em;
}

.error {
    color: red;
    font-weight: bold;
}

.container,
.containerlist {
    display: flex;
    justify-content: center;
    align-content: center;
}

.containerlist {
    flex-direction: column;
    gap: 0.5rem;
}