message: fix(styles): masthead search button fixed focus
diff: .#{$prefix}--header__search--close {
  width: $spacing-09;
  + }
  +
  + .#{$prefix}--header__search--close,
  + .#{$prefix}--header__search--search {
  border: 2px solid transparent;
  &:focus,
  }
  }
  - .#{$prefix}--header__search--search {
  - border: 2px solid transparent;
  - }
  -
  .#{$prefix}--header__action {
  background-color: $ui-01;
  transition-property: width;
  