📄 style.css

.wp-block-navigation-overlay-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5em;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
  text-decoration: none;
}
.wp-block-navigation-overlay-close:focus {
  outline-offset: 2px;
}
.wp-block-navigation-overlay-close svg {
  width: 24px;
  height: 24px;
  fill: currentColor;
  display: block;
  flex-shrink: 0;
}
.wp-block-navigation-overlay-close .wp-block-navigation-overlay-close__text {
  display: inline-flex;
  align-items: center;
}