.card {
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.footer {
    position: fixed;
    bottom: 0;
    width: 100%;
}

pre {
    white-space: pre-wrap;
    word-wrap: break-word;
}

#loading {
    min-height: 100px;
}