body{font:17px/1.55 system-ui;background:#f4f7f6;color:#173b35}main{max-width:900px;margin:40px auto;padding:24px}label{display:block;margin:16px 0}textarea{width:100%;box-sizing:border-box}input,select,textarea,button{font:inherit;padding:8px}button,a{color:#125d51}button{cursor:pointer;margin:8px}pre{white-space:pre-wrap;overflow-wrap:anywhere}details{margin:24px 0}[hidden]{display:none!important}
#preview{display:block;width:100%;height:auto}