*,*:before,*:after{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:14px;background:#f5f5f5;color:#222}a{color:#06c}pre,code{font-family:Menlo,Monaco,Consolas,Courier New,monospace;font-size:12px}