<form role="search" method="get" class="search-form" action="<?php echo home_url( '/' ); ?>">
    <alpha>
        <!-- <span class="screen-reader-text"><?php echo _x( 'What are you looking:', 'alpha' ) ?></span> -->
        <input type="search" class="search-field" placeholder="<?php echo esc_attr_x( 'Search Code', 'placeholder' ) ?>"
            value="<?php echo get_search_query() ?>" name="s" title="<?php echo esc_attr_x( 'Search for:', 'alpha' ) ?>" />
    </alpha>
    <input type="submit" class="search-submit" value="<?php echo esc_attr_x( 'Go', 'submit button' ) ?>" />
</form>