Firefox iOS blue background

HTML

<body></body>

<!-- https://www.mozilla.org/en-US/firefox/ios/ -->

CSS

html, body {
    width: 100%;
    height: 100%;
    margin: 0; padding: 0;
}

body {
    background-color: #0c99d5;
    background-image: linear-gradient(to bottom,rgba(12,153,213,0) 0,rgba(12,153,213,0) 100px,#0c99d5 450px,#0c99d5),repeating-linear-gradient(118deg,rgba(12,153,213,0) 0,#00a7e0 550px,rgba(12,153,213,0) 550px,#00a7e0 800px,rgba(12,153,213,0) 800px,#00a7e0 950px);
}