#app {
  background-color: #f8f8f8;
  width: 100%;
  height: 100vh;
  display: flex;
}
.main-container {
  width: 100%;
  height: 600px;
  margin: auto 0;
  text-align: center;
}
.dev-class {
  color: #f6ad49;
}
.staging-class {
  color: #37a34a;
}
.err-page-type,
.err-page-text {
  font-size: 34px;
}
.err-page-type {
  margin-top: 100px;
}