message: feat: add a11y button hover colors
diff: background-color: $brand-success;
  border-color: darken($brand-success, 5%);
  + &:hover {
  + background-color: darken($brand-success, 10%);
  + border-color: darken($brand-success, 15%);
  + }
  +
  :global(&.disabled),
  :global(&.disabled):hover {
  color: darken($brand-success, 85%);
  color: $btn-info-high-contrast-color;
  background-color: $brand-info;
  border-color: darken($brand-info, 5%);
  +
  + &:hover {
  + background-color: darken($brand-info, 10%);
  + border-color: darken($brand-info, 15%);
  + }
  }
  .btn-danger {
  color: $btn-danger-high-contrast-color;
  background-color: $brand-danger;
  border-color: darken($brand-danger, 5%);
  +
  + &:hover {
  + background-color: darken($brand-danger, 10%);
  + border-color: darken($brand-danger, 15%);
  + }
  }
  .btn-danger.disabled,
  