rm-components/addon/styles/addon.css

The default blueprint for ember-cli addons.

.rm-error-modal {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  color: white;
  text-align: center;
  background-color: black;
  background-image: url(../assets/rm-components/background.jpg);
  background-size: cover;
  z-index: 999;
  content: '';
}

.rm-error-modal-container {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  max-width: 360px;
}

.rm-error-white-sep {
  border-bottom: 1px solid white;
  margin-top: 2em;
  margin-bottom: 2em;
}

.rm-error-modal-container img {
  max-width: 60%;
  margin: auto;
  marign-top: 2em;;
}