my portfolio creates too much height

hi i’m iwan, i want to ask you about my portfolio website in http://projectgalau.com/boncreperie/menus/our-menus/ . Why this plug in create too much height? can you help me check on this??

And one more thing when i add shortcode [opp] in pages, the portfolio cannot show but when i add shortcode [opp] in post, the portfolio show up. Is something that i missed??

Thank you for support.

https://wordpress.org/plugins/one-page-portfolio/