fix font sizes and button style

theme.json

@@ -48,6 +48,7 @@
       "fluid": true,
       "lineHeight": true,
       "textColumns": true,
+      "defaultFontSizes": false,
       "fontSizes": [
 				{
 					"name": "Small",
@@ -238,6 +239,30 @@
         "color": {
           "text": "var(--wp--preset--color--main-purple)"
         }
+      },
+      "core/button": {
+        "color": {
+          "background": "#E8BFE2",
+          "text": "var(--wp--preset--color--contrast)"
+        },
+        "spacing": {
+          "padding": {
+            "top": "1em",
+            "bottom": "1em",
+            "right": "2em",
+            "left": "2em"
+          }
+        },
+        "border": {
+          "color": "#000",
+          "width": "1px",
+          "radius": "56px",
+          "style": "solid"
+        },
+        "typography": {
+          "fontSize": "var(--wp--preset--font-size--sm)",
+          "textTransform": "uppercase"
+        }
       }
     },
     "elements": {