.input-group{margin:10px 0}.input-group label{display:inline-block;width:80px}input{padding:5px;width:200px}button{margin:15px 0;padding:8px 16px;background:#42b983;color:#fff;border:none;border-radius:4px;cursor:pointer}button:hover{background:#33a06f}.loading{color:#666;padding:10px}.error{color:#f56c6c;background:#fef0f0}.error,.response{padding:10px;border-radius:4px}.response{margin-top:20px;background:#f5f5f5;max-height:400px;overflow:auto}pre{white-space:pre-wrap;word-wrap:break-word}