how to hide download button from print page

i have a simple print script but it also print my download button

my print button is hide on print page

but my download button isnt

how can i hide my download button ?

extra info Wordpress 4.1 (core)

Print Button Shortcode (plugin)

<?php add_shortcode("print-button", "sc_show_print_button");

function sc_show_print_button($atts, $content = null){

$target_element = $atts['target'];  
$target_element1 = $atts['target1'];    

if($target_element == ''){$target_element = "document.body";}

$output = "<input id='dontprint' type='button' onClick='return pop_print()' value='Print Curriculum Vitae'/>


<script type='text/javascript'>
function pop_print(){
    w=window.open(null, 'Print_Page', 'scrollbars=yes');
    var printButton = document.getElementById('dontprint');
    printButton.style.visibility = 'hidden';
    w.document.write(jQuery('$target_element').html());
    w.document.write(jQuery('$target_element1').html());
    w.document.close();
    w.print();
}
</script>";
return  $output;
}


?>