Hi,
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Use this child theme, https://colorlibsupport.com/t/centering-other-widgets-on-the-home-page/#post-90223 it will support other widgets on the home page. Also,
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Go to Appearance -> Customize -> Additional CSS and add this CSS Snippet in it, it will remove the second title in that page.
.page-template-full-width .post-title, .page-template-full-width .entry-meta { display: none; }
For having a background image on that page, you can customize that globally from Appearance -> Customizer. But if you want that only for that page means, use this CSS,
.page-id-2017 .page-title-section.bg-secondary {
background-image: url("http://lorempixel.com/1000/300");
background-repeat: no-repeat;
background-size: cover;
}
Change the image URL according to your needs.
Let us know,
Thanks,
laranz.