Remover sidebar no Divi

Global:

/*** Take out the divider line between content and sidebar ***/
#main-content .container:before {background: none;}

/*** Expand the content area to fullwidth ***/
@media (min-width: 981px){
#left-area {
width: 100%;
padding: 23px 0px 0px !important;
float: none !important;
}
}

https://www.elegantthemes.com/blog/divi-resources/how-to-remove-sidebars-from-divi

Alterar Listagem default de Posts para incluir CPTs

add_filter('pre_get_posts', 'query_post_type');
function query_post_type($query) {
if( is_category() ) {
$post_type = get_query_var('post_type');
if($post_type)
$post_type = $post_type;
else
$post_type = array('nav_menu_item', 'post', 'movies'); // don't forget nav_menu_item to allow menus to work!
$query->set('post_type',$post_type);
return $query;
}
}

http://www.wpbeginner.com/wp-tutorials/how-to-add-categories-to-a-custom-post-type-in-wordpress/

Adicionar uma Class nos botões submit do Gravity Forms

// filter the Gravity Forms button type
add_filter("gform_submit_button", "form_submit_button", 10, 2);
function form_submit_button($button, $form){
// The following line is from the Gravity Forms documentation - it doesn't include your custom button text
// return "<button class='button' id='gform_submit_button_{$form["id"]}'>'Submit'</button>";
// This includes your custom button text:
return "<button class='button et_pb_button' id='gform_submit_button_{$form["id"]}'>{$form['button']['text']}</button>";
}