.controls{margin:1rem 0}
input,select{font:inherit;padding:.4rem .7rem;margin:.2rem .2rem .2rem 0}
input{width:6rem}
#feedback{font-weight:600;min-height:1.5em}
#feedback.ok{color:#1a7f37}
#feedback.bad{color:#c62828}
@media (prefers-color-scheme:dark){#feedback.ok{color:#6fd18b}#feedback.bad{color:#ff8a80}}
#sources{font-size:.85rem;color:var(--muted);columns:2;padding-left:1rem}