body {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: #F5F7FA;
  color: #333;
  overflow-x: hidden;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  width: 100%;
}