The banner image does not responsive

Hi, if you can give me a hand I am very grateful, I created this page so that it resembled as much as possible to that of google, to insert a banner, but the banner is not responsive, could you help me, thanks!

HTML

<html>
    <head>
        <title>Google</title>
        <link rel="stylesheet" type="text/css" href="style.css">
        <link rel="icon" href="src/favicon.png" type="image/png" sizes="16x16">
    </head>
    <body>
        <div id="header">
            <div class="left-links" style="float:left;">
                <ul>
                    <li><a href="https://about.google/?fg=1&utm_source=google-IT&utm_medium=referral&utm_campaign=hp-header">Chi Siamo</a></li>
                    <li><a href="https://store.google.com/IT?utm_source=hp_header&utm_medium=google_ooo&utm_campaign=GS100042&hl=it-IT&pli=1">Google Store</a></li>
                </ul>
            </div>
            <div class="right-links" style="float:right;">
                <ul>
                    <li><a href="https://mail.google.com/">Gmail</a></li>
                    <li><a href="https://www.google.it/imghp?hl=it&tab=ri&ogbl">Immagini</a></li>
                    <li><a href="https://about.google/products/"><img id="ninedots-icon" src="src/9-dots.png"/></a></li>
                    <li><a href="https://accounts.google.com/signin/v2/identifier?hl=it&passive=true&continue=https%3A%2F%2Fwww.google.it%2F%3Fgws_rd%3Dssl&ec=GAZAmgQ&flowName=GlifWebSignIn&flowEntry=ServiceLogin"><img id="profile-icon" src="src/profile.png"></a></li>
                </ul>
            </div>
            <div style="clear:both;"></div>
        </div>

        <div style="clear:both;"></div>
        <div id="content">
            <form method="get">
            <ul>
                <li><a href="https://www.google.com" target="_blank" id="logo"><img src="src/logo.png"></a></li>
                <li>

                    <div id="serachbox-cover">
                      <script async src="https://cse.google.com/cse.js?cx=6163ff785732c4bee">
</script>
<div class="gcse-search"></div>
                    </div>

                </li>
                <li>
                    <a href="https://www.google.it/">Cerca con Google</a>

                    <a href="https://www.google.com/doodles">Mi sento fortunato</a>
                </li>
            </ul>

            <div class="ratio-box">
                  <img id="inner-img1" src="d07cc631-31bf-4235-8b42-e41d44784215.jpg" alt="Banner" width="350px" height="200px">
            </div>

            </form>
        </div>
        <div style="clear:both;"></div>
        <div id="footer">
                <div class="left-links" style="float:left;">
                    <ul>
                        <li><a href="https://ads.google.com/intl/it_it/home/?subid=ww-ww-et-g-awa-a-g_hpafoot1_1!o2&utm_source=google.com&utm_medium=referral&utm_campaign=google_hpafooter&fg=1">Pubblicit&#225</a></li>
                        <li><a href="https://smallbusiness.withgoogle.com/intl/it_it/?subid=it-it-et-g-awa-a-g_hpbfoot1_1!o2&utm_source=google&utm_medium=ep&utm_campaign=google_hpbfooter&utm_content=google_hpbfooter&gmbsrc=it-it-et-gs-z-gmb-s-z-u~sb-g4sb_srvcs-u#!/">Soluzioni Aziendali</a></li>
                        <li><a href="https://www.google.com/search/howsearchworks/?fg=1">Come funziona la Ricerca</a></li>
                    </ul>
                </div>
                <div class="right-links" style="float:right;">
                    <ul>
                        <li><a href="https://policies.google.com/privacy?hl=it&fg=1">Privicy</a></li>
                        <li><a href="https://policies.google.com/terms?hl=it&fg=1">Termini</a></li>
                        <li><a href="https://www.google.it/preferences?hl=it&fg=1">Impostazioni</a></li>
                    </ul>
                </div>
                <div style="clear:both;"></div>
            </div>
    </body>
</html>

CSS

html{
    width:100%;
    margin:0px;
    padding:0px;
    font-family: arial,sans-serif;
    font-size:13px;

}
body{
    margin:0px;
    padding:0px;
}
#header{
    width:100%;
    text-align: right;
}
#profile-icon{
    width:25px;
    height:25px;
    border-radius: 25px;
}
#ninedots-icon{
    color:#5f6368;
    width:20px;
    height:20px;
}
#content{
    width:100%;
    margin-top: auto;
    margin-bottom: 0;
    text-align: center;
}
#logo{
    padding-top: 130px;
}
#serachbox-cover{
    margin-left:auto;
    margin-right: auto;
    margin-top: 10px;
    margin-bottom:20px;
    width:550px;
    height:45px;
    padding:0px;
}
.search-icon{
    height:16px;
}
.search-button{
    background-color: #f2f2f2;
    border: 1px solid #f2f2f2;
    border-radius: 4px;
    color: #5F6368;
    font-family: arial,sans-serif;
    font-size: 14px;
    margin: 0px 4px;
    padding: 0 16px;
    line-height: 27px;
    height: 36px;
    min-width: 54px;
    text-align: center;
    cursor: pointer;
    user-select: none;

}
#footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    text-align: center;
    background-color: #f2f2f2;
    border-top:#e1e1e1 1px solid;
  }

ul {
    list-style-type: none;
    margin: 0;
    padding: 0;
  }

  #header li {
    float: left;
  }
  #footer li {
    float: left;
  }

  li a {
    display: inline-block;
    text-align: center;
    padding: 16px;
    text-decoration: none;
    color:#5f6368;
  }

  li a:hover {
    text-decoration: underline;
  }


  #inner-img1 {
    position: absolute;
    top: 50px;
    padding-left: 1100px;
    left: 0;
    right: 0;
    bottom: 0;
  }