Youtube/Medium.com LIke Progress Bar at Top on Genesis WordPress Theme

fuctions.php

//code you need to add to functions.php file for adding JS file in js directory

add_action( 'wp_enqueue_scripts', 'gen_progressbar');
function gen_progressbar() {
  wp_enqueue_script( 'custom-script', get_stylesheet_directory_uri() . '/js/gen-progress.js', array( 'jquery' ) );
}

gen-progress.js

jQuery(document).ready(function($){

  document.body.innerHTML+="<div id=\"progress\"><dt></dt><dd></dd></div>";
            var pr=document.querySelector("#progress");
            setTimeout(function(){
                pr.style.width="60%";
                },300);
               
            setTimeout(function(){
                pr.style.width="101%";
                },800);
               
               
            setTimeout(function(){
                pr.parentNode.removeChild(pr);
                },1600);
            return false;



$(document).ajaxStart(function() {
    //only add progress bar if added yet.
    if ($("#progress").length === 0) {
        $("body").append($("<div><dt/><dd/></div>").attr("id", "progress"));
        $("#progress").width((50 + Math.random() * 30) + "%");
    }
});
 
$(document).ajaxComplete(function() {
    //End loading animation
    $("#progress").width("101%").delay(200).fadeOut(400, function() {
        $(this).remove();
    });
});
    });

style.css

#progress {
        position: fixed;
        z-index: 2147483647;
        top: 0;
        left: -6px;
        width: 1%;
        height: 2px;
        background: #8a1c1f;
        -moz-border-radius: 1px;
        -webkit-border-radius: 1px;
        border-radius: 1px;
        -moz-transition: width 500ms ease-out,opacity 400ms linear;
        -ms-transition: width 500ms ease-out,opacity 400ms linear;
        -o-transition: width 500ms ease-out,opacity 400ms linear;
        -webkit-transition: width 500ms ease-out,opacity 400ms linear;
        transition: width 500ms ease-out,opacity 400ms linear;
}

#progress dd, #progress dt {
        position: absolute;
        top: 0;
        height: 2px;
        -moz-box-shadow: #8a1c1f 1px 0 6px 1px;
        -ms-box-shadow: #8a1c1f 1px 0 6px 1px;
        -webkit-box-shadow: #8a1c1f 1px 0 6px 1px;
        box-shadow: #8a1c1f 1px 0 6px 1px;
        -moz-border-radius: 100%;
        -webkit-border-radius: 100%;
        border-radius: 100%;
}
 
#progress dt {
        opacity: .6;
        width: 180px;
        right: -80px;
        clip: rect(-6px,90px,14px,-6px);
}
 
#progress dd {
        opacity: .6;
        width: 20px;
        right: 0;
        clip: rect(-6px,22px,14px,10px);
}