body{color:#222;margin:2rem;font-family:system-ui,sans-serif}header{color:#fff;margin-bottom:1rem;padding:.5rem 1rem}header.sas2{background:#1565c0}header.navi2{background:#2e7d32}pre{background:#f4f4f4;padding:1rem;font-size:12px;overflow:auto}input,button{margin:.25rem;padding:.25rem .5rem;font-size:1rem}.error{color:#c62828}