Source: dist/css/library_boot.css, line 10123
10.15.5 Home Search Bar
The Search Bar is disabled on the Home Page when there is no content in the input field.
Example
<div class="input-holder flex flex_row self_end relative w_100 p_2 p_3:md">
<input id="input_uniqueTextAndButton" name="input_uniqueTextAndButton" type="text" placeholder="Search" class="br_2 flex_auto p-y_2 br_solid flex_auto p-l_4 lh_3 br_radius bg_white c_black bg_white f:bg_primary br_black-2 br-tl_square br-br_square br-r_0 font_2"/>
<button class=" b_0 br-br_radius br-tr_radius br_none br_square btn btn-primary c_white ease_out f:outline_none font_2 font_regular font_ui h:br_primary-n3 h:underline inline-block r_0 t_0 text_center transition_1 undecorated w_auto" >
<i class="fas fa-search"></i>
<span class="inline-block:md display_none">Search</span>
</button>
</div>