message: fix(masthead-search): overriding carbon core button styles
  ### Related Ticket(s)
  NextJS page: Masthead Search bar - On hover search icon and close icon are hidden
diff: .#{$prefix}--header__search--close {
  color: $icon-01;
  + background-color: $ui-background;
  + padding: 0;
  +
  + &:hover {
  + background-color: $hover-ui;
  + svg[focusable='false'][aria-hidden='true'] {
  + fill: $icon-02;
  + }
  + }
  // prevent tooltip from showing on hover
  &.#{$prefix}--btn--icon-only {
  &::before,
  