src/theme/Navbar/Search/styles.module.css

/*
Workaround to avoid rendering empty search container
See https://github.com/facebook/docusaurus/pull/9385
*/
.navbarSearchContainer:empty {
  display: none;
}

@media (max-width: 996px) {
  .navbarSearchContainer {
    padding: 1.5rem;
  }
}

@media (min-width: 997px) {
  .navbarSearchContainer {
    padding: var(--ifm-navbar-item-padding-vertical) var(--ifm-navbar-item-padding-horizontal);
  }
}