.not-found {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  height: 100vh;
  background: #7dcdc0 url(/img/404.jpg) no-repeat center center/20vw;
}
.not-found-title {
  font-weight: 600;
  font-size: 30px;
  line-height: 48px;
  color: #fff;
  text-align: center;
}
.not-found-title a {
  color: #fff;
}
.not-found-title a:hover {
  color: #f30;
}