add CloseButton to PageView

src/components/layouts/PageView.vue

@@ -1,5 +1,9 @@
 <template lang="html">
   <div class="page" :class="'page-' + slug">
+    <div class="btn-close-wrapper">
+      <button-close @click="$emit('close')" />
+    </div>
+
     <div class="page-wrapper" v-html="page.content" />
   </div>
 </template>
@@ -58,6 +62,30 @@ export default {
 <style lang="scss">
 .page {
   font-size: 1rem;
+  position: relative;
+
+  .btn-close-wrapper {
+    position: sticky;
+    z-index: 2;
+    float: right;
+    height: 0;
+    right: 0;
+    top: $node-view-spacer-sm-y;
+
+    @include media-breakpoint-up($size-bp) {
+      top: $node-view-spacer-y;
+    }
+
+    .btn-close {
+      position: absolute;
+      padding: 0.5rem;
+      width: 2.25rem;
+      height: 2.25rem;
+      top: -.5rem;
+      right: -.5rem;
+      background-color: $white;
+    }
+  }
 
   @include media-breakpoint-up($size-bp) {
     font-size: 1.5rem;