*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 14px;
  color: #111;
  background: #fff;
  overflow: hidden;
}

button { font-family: inherit; font-size: inherit; cursor: pointer; border: none; background: none; }
input  { font-family: inherit; font-size: inherit; outline: none; }