add style customization to hoverlabel

Author: Lexachoc

src/components/fx/attributes.js

@@ -14,6 +14,24 @@ module.exports = {
             arrayOk: true,
             description: 'Sets the border color of the hover labels for this trace.'
         }),
+        borderwidth: extendFlat({}, hoverLabelAttrs.borderwidth, {
+            description: 'Sets the border width (in px) of the hover labels for this trace.'
+        }),
+        borderradius: extendFlat({}, hoverLabelAttrs.borderradius, {
+            description: 'Sets the border radius (in px) of the hover labels for this trace.'
+        }),
+        borderpad: extendFlat({}, hoverLabelAttrs.borderpad, {
+            description: 'Sets the padding (in px) between the text and the border of the hover labels for this trace.'
+        }),
+        namecolor: extendFlat({}, hoverLabelAttrs.namecolor, {
+            description: 'Sets the text color of the secondary hover label for this trace.'
+        }),
+        bgnamecolor: extendFlat({}, hoverLabelAttrs.bgnamecolor, {
+            description: 'Sets the background color of the secondary hover label for this trace.'
+        }),
+        shadow: extendFlat({}, hoverLabelAttrs.shadow, {
+            description: 'Sets the shadow of the hover labels for this trace.'
+        }),
         font: fontAttrs({
             arrayOk: true,
             editType: 'none',