My Website Header Image Is Not Resizing On Mobile
<p>I am using blogger and has a custom template I added a header it works fine but the header is not resizing on mobile template 
My site is <a href="https://untoldstoriesofpakistan.blogspot.com" rel="nofollow noreferrer">https://untoldstoriesofpakistan.blogspot.com</a></p>

<p>I think this is my css for header </p>

<p><strong>Header</strong></p>

<pre><code>div#navigation-wrapper {
width: 56%;
float: right;
}
#header {
width: 30%;
background-size: contain;
}
#logo {
text-align:center;
padding:0px 0;
height: 10px;
 background-size: contain;
}
</code></pre>

<p><strong>and this is my media css</strong></p>

<pre><code>@media only screen and (max-width: 767px) {

    .container {
        width:300px;
    }

    #navigation-wrapper {
        display:none;
    }

    .slicknav_menu {
        display:block;
    }

    #logo img {
        max-width:300px;
        height:auto;
    }

    .post-header h1 a, .post-header h2 a, .post-header h1 {
        font-size:22px;
        letter-spacing:2px;
    }

    .post-image img {
        width:300px;
        height:auto;
    }

    .post-image.audio iframe {
        width:300px;
        height:auto;
    }

    .item-related {
        width:320px;
        margin-bottom:30px;
    }

    .share-box {
        width:46px; 
        height:36px; 
        line-height:36px;
        margin:0 4px;
    }

    .post-pagination .prev-post {
        width:300px;
    }
    .post-pagination .next-post {
        width:300px;
    }

    #respond textarea {
        width:90%;
    }

    .thecomment .author-img {
        display:none;
    }

    #widget-area .widget, #sidebar .widget {
        width:300px;
        margin-right:32px;
        float:left;
        margin-bottom:35px;
    }

    #footer-logo img {
        max-width:300px;
        height:auto;
    }

    #footer-social a i {
        height:28px;
        width:28px;
        line-height:28px;
        margin-right:0;
        font-size:12px;
    }
    #footer-social a {
        margin:0 5px;
    }
    #footer-social a span{
        display:none;
    }

    .wpcf7 textarea {
        width:94%;
    }

    .sp-grid li {
        width:320px;
    }
    .sp-grid li:nth-child(3n+3) {
        margin-right:0;
    }
    .sp-grid li:nth-child(2n+2) {
        margin-right:0;
    }

    .container.sp_sidebar #main {
        width:300px;
        margin-right:0;
    }
    .container.sp_sidebar #sidebar {
        width:300px;
    }

        .container.sp_sidebar #sidebar .widget {
            width:300px;
        }

    .container.sp_sidebar .item-related {
        width:300px;
        margin-bottom:30px;
    }


    .col-md-6.site-top-menu-right.text-right {
    display: none;
    }





    div#sidebar-narrow {
    display: none;
    }

    div#main-part {
    float: left;
    width: 310px;
    }

    }
</code></pre>