:root {
  block-size: border-box;
  font-size: 16px;
  line-height: 20px;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}
.container {
  max-width: 1200px;
  padding: 0 10px;
  margin: 0 auto;
}
.error {
  color: red;
  font-size: 0.8em;
  display: block;
}