Sprytechies

Since in Bushwick theme there is no option to upload logo image so you can add custom code in header.php

You have to change css, since the caption are display:none in style.css.
You can add these code and then it works..

.gallery-item .gallery-caption {
    display: block!important;
    text-align: center;
}

Hi, Can you please tell us that what you exactly want.
If you want to remove whole comment section than you have to edit your page.php and single.php file and remove this code
<?php comments_template( '', true ); ?> and <?php comments_template(); ?>

You have to add some css in it

.layout-full .entry img{
      float:left;
      margin-right:56px;
  }

In header.php below the <hgroup></hgroup> you can add

<div class="logo-right">
   <a href="https://ontariocollectionagency.ca/">
   <img alt="" src="your image path"/>
   </a>
</div>

and add css to style.css

#masthead hgroup{display:block;float:left;}
.logo-right{float:right;}
.logo-right img{width:100%;}
.logo-right a{display:block;}

For removing the top line from product description area add css to your theme style.css
.product{border-top:none!important;}

Since in Twenty Twelve theme there is no option to upload logo image so you can add custom code in header.php to add it in top-right of header.

#livelychatsupport-chatbox h3 {
color: blue !important;
}

try this

it is a syntax error, here is i put extra bracket, delete it as follow

$args = array(
'title_reply' =>  __( '您的评语 Your Review', 'customizr' ),
'label_submit' => 'your subit text',
);

add these lines

$args = array(
'title_reply' =>  __( '您的评语 Your Review', 'customizr' ),
'label_submit' => 'your subit text'),
);

have fun, cheer

bracket after array missing

may after activating some other plugin they conflicting, is there any so?

For removing drop shadow from main navigation menu you have to change css in style.css

#header-wrap{
    box-shadow: none;
  }

And for social header you to remove border-top in header-wrap or you can change its color

#header-wrap{
    border-top:none;
 }

https://theme.wordpress.com/themes/standard/

this is the custom function for creating own custom menu, this is not wordpress function so editor don’t shows it ??

<?php
if (is_page('your specific page name')){
wp_nav_menu(array('menu'=>'your desired menu to show up on the page' ));
}
?>

put this is code into appropriate template file which is responsible for the showing your specific code… have fun