/* GitHub main font */
body {
 font-family: -apple-system,
              BlinkMacSystemFont,
              Segoe UI,
              Helvetica,
              Arial,
              sans-serif,
              Apple Color Emoji,
              Segoe UI Emoji,
              Segoe UI Symbol;
 font-weight: 600 !important;
}

.header {
 background-color: #24292e;
}