full width for page layout

_includes/header.html

 <header class="site-header" role="banner">
 
-    <div class="wrapper">
+    <div>
       {%- assign default_paths = site.pages | map: "path" -%}
       {%- assign page_paths = site.header_pages | default: default_paths -%}
       <img src="{{ '/assets/banner-' | relative_url }}{{site.banner}}.svg" type="image/svg+xml"></img>
@@ -19,7 +19,7 @@
             </span>
           </label>
 
-          <div class="trigger">
+          <div class="wrapper trigger">
             {%- assign my_pages = site.pages | sort:"order" -%}
 
             {%- for my_page in my_pages -%}

_sass/minima/_base.scss

@@ -175,8 +175,6 @@ pre {
   margin-right: auto;
   margin-left: auto;
   height: 100%;
-  padding-right: $spacing-unit;
-  padding-left: $spacing-unit;
   @extend %clearfix;
   position: relative;
   background-color: $background-color;
@@ -189,30 +187,11 @@ pre {
   }
 }
 
-
-/**
- * Wrapper
- */
 .wrapper {
-  max-width: -webkit-calc(#{$content-width} - (#{$spacing-unit} * 2));
-  max-width:         calc(#{$content-width} - (#{$spacing-unit} * 2));
-  margin-right: auto;
-  margin-left: auto;
   padding-right: $spacing-unit;
   padding-left: $spacing-unit;
-  @extend %clearfix;
-  position: relative;
-
-  @include media-query($on-laptop) {
-    max-width: -webkit-calc(#{$content-width} - (#{$spacing-unit}));
-    max-width:         calc(#{$content-width} - (#{$spacing-unit}));
-    padding-right: $spacing-unit / 2;
-    padding-left: $spacing-unit / 2;
-  }
 }
 
-
-
 /**
  * Clearfix
  */