r-canvas-default: #ffffff;
                --color-canvas-subtle: #f6f8fa;
                --color-border-default: #d0d7de;
                --color-border-muted: hsla(210,18%,87%,1);
                --color-neutral-muted: rgba(175,184,193,0.2);
                --color-accent-fg: #0969da;
                --color-accent-emphasis: #0969da;
                --color-danger-fg: #cf222e;
            }

        body {
            box-sizing: border-box;
            min-width: 200px;
            margin: 0 auto;
     