Fix #2739 add variables size for layout hero (#2740)

* Add variables size for layout hero

* Add variables size for layout hero

* Change variable tag to Yes on hero documentation

docs/_data/variables/layout/hero.json

@@ -0,0 +1,31 @@
+{
+  "by_name": {
+    "$hero-body-padding": {
+      "name": "$hero-body-padding",
+      "value": "3rem 1.5rem",
+      "type": "size"
+    },
+    "$hero-body-padding-small": {
+      "name": "$hero-body-padding-small",
+      "value": "1.5rem",
+      "type": "size"
+    },
+    "$hero-body-padding-medium": {
+      "name": "$hero-body-padding-medium",
+      "value": "9rem 1.5rem",
+      "type": "size"
+    },
+    "$hero-body-padding-large": {
+      "name": "$hero-body-padding-large",
+      "value": "18rem 1.5rem",
+      "type": "size"
+    }
+  },
+  "list": [
+    "$hero-body-padding",
+    "$hero-body-padding-small",
+    "$hero-body-padding-medium",
+    "$hero-body-padding-large"
+  ],
+  "file_path": "layout/hero.sass"
+} 

docs/documentation/customize/concepts.html

@@ -14,7 +14,7 @@ breadcrumb:
 
 <div class="content">
   <p>
-    Bulma is highly customizable thanks to <strong>415 Sass variables</strong> living across <strong>28 files</strong>.
+    Bulma is highly customizable thanks to <strong>419 Sass variables</strong> living across <strong>28 files</strong>.
   </p>
 
   <p>

docs/documentation/layout/hero.html

@@ -13,7 +13,7 @@ breadcrumb:
 meta:
   colors: true
   sizes: true
-  variables: false
+  variables: true
 ---
 
 <div class="content">