Remove height=device-height,from
<meta name="apple-mobile-web-app-status-bar-style" content="black-translucent" />
<meta name="viewport" content="width=device-width, height=device-height, initial-scale=1.0, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0" />
I found this in your code
if height=device-height,it matches the vertical of the site on the screen
<meta name="viewport" content="width=device-width">