position fixed lag when interface collapse in safari ios

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i have a webpage with two fixed blocks — on a top and on a bottom.

when i scroll it in safari on ios, there's some lag, when bottom safari bar collapses or expands — is it possible to make it smoother?

that's how it looks: https://i.stack.imgur.com/BFECv.gif

code:

body {
    width:100vw;
    height: auto;
    min-height: 100vh;
    overflow: scroll;
    background: white;
    color: black;
    margin: 0;
    padding: 0;
    position: relative;
}

div {
    display: block;
}

#wrap {
    margin: 0 2.7vw;
    padding: 2.7vw 0;
    width: 94.6vw;
    height:  auto;
    min-height: 100vh;
    float: left;
    overflow: hidden;
    display: block;
    position: relative;
}

#int {
    position: fixed;
    width: inherit;
    z-index: 999;
}

    #top {
        width: inherit;
        height: 9vw;
        border-radius: 4.5vw;
        box-shadow: 0 0 7.1vw rgba(255, 0, 255, 0.3);
        background-color: white;
        opacity: 1;
        top: 5.4vw;
        position: fixed;
    }
  
    #bottom {
        width: inherit;
        height: 9vw;
        border-radius: 4.5vw;
        box-shadow: 0 0 7.1vw rgba(255, 0, 255, 0.3);
        background-color: white;
        opacity: 1;
        bottom: 5.4vw;
        position: fixed;
    }
<html>
<head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <meta name="viewport" content="width=device-width, height=device-height" />
    <link rel="stylesheet" type="text/css" href="style.css">
  <title></title>
</head>
<body>
    <div id="wrap">
        <div id="int">
            <div id="top">
                <span id="back">←</span>
                <span id="logo">гей-пропаганда</span>
                <div id="pacific"></div>
            </div>
            <div id="bottom">
                <span id="share">распространить: <a href="">тг</a>, <a href="">тв</a>, <a href="">фб</a>, <a href="">вк</a></span>
            </div>
        </div>

(yes, i use viewport width 'cause i'm a designer and i can)

link to open on your phone: http://chudovotapolesbiyski.surge.sh/

thank you

0 Answers
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