.my-container {
  min-height: 100vh;
  background: #dddb2b;
  background: -webkit-linear-gradient(top left, #dddb2b, #94ebca);
  background: -moz-linear-gradient(top left, #dddb2b, #94ebca);
  background: linear-gradient(to bottom right, #dddb2b, #94ebca);
}

.my-img {
  margin: 0 auto;
}

.my-spinner {
  display: none;
  margin: 1rem auto 2rem;
}

.card {
  background-color: rgba(255, 255, 255, 0.7) !important;
}