Customize Progressbar in Vue Uploader component

<template>
  <div id='upload_container' class='custom_progress'>
    <ejs-uploader ref="uploadObj" id='defaultfileupload' name="UploadFiles" :asyncSettings= "path"></ejs-uploader>
  </div>
</template>
<script>
import Vue from 'vue';
import { UploaderPlugin, SelectedEventArgs } from '@syncfusion/ej2-vue-inputs';
Vue.use(UploaderPlugin);

export default {
  data: function(){
        return {
          path:  {
            saveUrl: 'https://ej2.syncfusion.com/services/api/uploadbox/Save',
            removeUrl: 'https://ej2.syncfusion.com/services/api/uploadbox/Remove'
          }
        }
    }
}
</script>
<style>
@import "../../node_modules/@syncfusion/ej2-base/styles/material.css";
@import "../../node_modules/@syncfusion/ej2-buttons/styles/material.css";
@import "../../node_modules/@syncfusion/ej2-vue-inputs/styles/material.css";
 #container {
        visibility: hidden;
        padding-left: 5%;
        width: 100%;
    }
    #loader {
        color: #008cff;
        font-family: 'Helvetica Neue','calibiri';
        font-size: 14px;
        height: 40px;
        left: 45%;
        position: absolute;
        top: 45%;
        width: 30%;
    }

    .custom_progress .e-upload .e-upload-files .e-upload-file-list .e-file-container .e-progress-inner-wrap .e-upload-progress-bar.e-upload-progress {
      background: yellow;
      height: 4px;
    }

     .custom_progress .e-upload .e-upload-files .e-upload-file-list .e-file-container .e-progress-inner-wrap {
      height: 4px;
      background-color: lightblue;
    }

</style>