#error-page-back #error-page {
  height: 90vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: rgba(0, 153, 255, 0.6); }
  #error-page-back #error-page * {
    margin: 8px;
    color: #fff; }
  #error-page-back #error-page p {
    font-size: 24px; }
  #error-page-back #error-page .qbutton {
    margin-top: 64px;
    background-color: white;
    color: #09f; }
  #error-page-back #error-page .qbutton:before {
    background: whitesmoke; }