fix(BackToTop): use lighten for hover

dsseng · web-flow · commit a2af31f44d3f · 2018-12-21T07:54:57.000+03:00
diff --git a/packages/@vuepress/plugin-back-to-top/BackToTop.vue b/packages/@vuepress/plugin-back-to-top/BackToTop.vue
@@ -71,7 +71,7 @@ export default {
 }
 
 .go-to-top:hover {
-  color: $accentColor;
+  color: lighten($accentColor, 30%);
 }
 
 @media (max-width: 959px) {
