* { box-sizing: border-box; }
html { font-size: 16px; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: #102033;
  background: #f5f7fb;
}
button, input, select { font: inherit; }
button { cursor: pointer; }
code, pre { font-family: Consolas, "Courier New", monospace; }