fix chutier popup z-index

sites/all/themes/custom/edlptheme/assets/styles/app.scss

@@ -395,6 +395,7 @@ main[role="main"]{
  // |___/\__|\_,_\__,_|_\___/
 .chutier-icon{
   $s:1em;
+  z-index: 1;
   display: block;
   position: relative;
   width:$s;height:$s;
@@ -416,7 +417,6 @@ main[role="main"]{
     overflow: visible;
   }
   .popup{
-    z-index: 10;
     display:none;
     position: absolute;
     top:0; left:0;

sites/all/themes/custom/edlptheme/assets/styles/base/_layout.scss

@@ -20,7 +20,7 @@ body, html{
 
 header[role="banner"]{
   // outline: 1px solid blue;
-  z-index: 1;
+  z-index: 2;
   position: relative;
   padding:0 1em;
   >.wrapper{
@@ -62,7 +62,7 @@ main[role="main"]{
 
 footer[role="contentinfo"]{
   // outline: 1px solid pink;
-  z-index: 5;
+  z-index: 2;
   position:fixed;
   bottom:0;
   box-sizing: content-box;