add all frontend files

node_modules/antd/es/steps/style/custom-icon.js

@@ -0,0 +1,35 @@
+import { unit } from '@ant-design/cssinjs';
+const genStepsCustomIconStyle = token => {
+  const {
+    componentCls,
+    customIconTop,
+    customIconSize,
+    customIconFontSize
+  } = token;
+  return {
+    [`${componentCls}-item-custom`]: {
+      [`> ${componentCls}-item-container > ${componentCls}-item-icon`]: {
+        height: 'auto',
+        background: 'none',
+        border: 0,
+        [`> ${componentCls}-icon`]: {
+          top: customIconTop,
+          width: customIconSize,
+          height: customIconSize,
+          fontSize: customIconFontSize,
+          lineHeight: unit(customIconSize)
+        }
+      }
+    },
+    // Only adjust horizontal customize icon width
+    [`&:not(${componentCls}-vertical)`]: {
+      [`${componentCls}-item-custom`]: {
+        [`${componentCls}-item-icon`]: {
+          width: 'auto',
+          background: 'none'
+        }
+      }
+    }
+  };
+};
+export default genStepsCustomIconStyle;