.card {
  /* Bootstrap 4.6.2 card style */
  position: relative;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-direction: column;
  flex-direction: column;
  min-width: 0;
  word-wrap: break-word;
  background-color: #fff;
  background-clip: border-box;
  border: 1px solid rgba(0, 0, 0, 0.125);
  border-radius: 0.25rem;

  /* My customizations */
  max-width: 720px;
  text-align: center;
  font-family: system-ui;
  margin: 0 auto;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.04),0 2px 4px -1px rgba(0, 0, 0, 0.03);
  transition: all 0.3s cubic-bezier(.25,.8,.25,1);
  color: black;
  padding: 8px;
}

.error-image { margin: 0 auto; }
.error-description { font-size: 18px; }
a { color: black; }