resolve sonar issues

popup/config.html

@@ -18,9 +18,7 @@
 <div class="container">
 
 	<!-- MAIN SCREEN  --> 
-	<div id="main_screen">		
-		<center>
-
+	<div id="main_screen" style="text-align:center">		
 			<table class="standard_table">
 				<tr>
 					<td style="text-align:left"><h2 class="title"> SIMPLE MODIFY HEADERS  </h2>  </td>
@@ -89,8 +87,6 @@
 				</tr>
 		</table>
 
-		</center>
-
 	</div>
 
 	<!-- PARAMETERS SCREEN -->

popup/config.js

@@ -195,7 +195,7 @@ function create_configuration_data() {
   let headers = [];
   let debug_mode=false;
   let show_comments=false;
-  for (i=0;i<tr_elements.length;i++) {
+  for (let i=0;i<tr_elements.length;i++) {
     const url_contains = tr_elements[i].childNodes[0].childNodes[0].value;
     const action = tr_elements[i].childNodes[1].childNodes[0].value;
     const header_name = tr_elements[i].childNodes[2].childNodes[0].value;