//when search box is inside middle column [data-middle='search-input'] { --middle-column-width: var(--search-box-max-width, 25%); } // search box .ct-search-box { width: 100%; max-width: var(--max-width, 250px); } [data-row="middle"][data-middle="search-input"] { [data-column="middle"] { .ct-search-box { --max-width: 100%; } } }