offroadkev

// Changes Gravity Forms Ajax Spinner (next, back, submit) to a transparent image
// this allows you to target the css and create a pure css spinner like the one used below in the style.css file of this gist.
add_filter( 'gform_ajax_spinner_url', 'spinner_url', 10, 2 );
function spinner_url( $image_src, $form ) {
    return  'data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7'; // relative to you theme images folder

}

offroadkev

.vk-modal--overlay {
    display: block;
    z-index: -1;
    position: fixed;
    top: 100%;
    left: 0;
    width: 100vw;
    height: 100vh;
    /* background-color: rgba(252, 124, 86, 0.7); */
    background-color: rgba(17, 158, 230, 0.7);