<form role="search" method="get" id="searchform" action="<?php echo esc_url( home_url( '/' ) ); ?>">
<div class="input-group">
<input type="search" class="form-control" placeholder="<?php echo esc_attr_x( 'Search', 'placeholder', 'newsup' ); ?>" value="<?php echo get_search_query(); ?>" name="s" />
<span class="input-group-btn btn-default">
<button type="submit" class="btn"> <i class="fas fa-search"></i> </button>
</span> </div>
</form>