Make First Drop Down Value Disabled
// ################## WP ###################
function theme_js() {
// ********* LOAD IN FOOTER
wp_enqueue_script ('theme_js', get_template_directory_uri() . '/js/theme.js', array('jquery'),'', true ) ;
}
add_action('wp_enqueue_scripts', 'theme_js') ;
// ################# HTML #####################
<select id="forklift_make">
<option value="Forklift Make:">Forklift Make:</option>
<option value="Advance">Advance</option>
<option value="Allis Chambers">Allis Chambers</option>
</select>
// ################# CSS that fixes the opacity issue in WP ##############
select#forklift_make {
opacity: 1 !important;
height: 30px;
border: 0;
}
//################ JAVASCRIPT (theme.js) ##################
jQuery.noConflict();
jQuery(document).ready(function(){
jQuery("select option[value*='Forklift Make:']").prop('disabled',true);
});