handling core button metaboxes and features

theme.json

@@ -1,6 +1,34 @@
 {
   "version": 1,
   "settings": {
+    "blocks": {
+      "core/button": {
+        "border": {
+          "color": false,
+          "radius": false,
+          "style": false,
+          "width": false
+        },
+        "typography": {
+          "customFontSize": false,
+          "lineHeight": false,
+          "dropCap": false,
+          "fontStyle": false,
+          "fontWeight": false,
+          "letterSpacing": false,
+          "textDecoration": false,
+          "textTransform": false,
+          "fontSizes": [],
+          "fontFamilies": []
+        },
+        "color": {
+          "background": false,
+          "gradients": false,
+          "text": false,
+          "custom": false
+        }
+      }
+    },
     "layout": {
       "contentSize": "960px",
       "wideSize": "1280px"