change default Vim insert and normal background

src/resources/styles/default.mdhl

@@ -34,9 +34,9 @@ background: 005fff
 editor-current-line
 background: c5cae9
 # [VNote] Vim insert mode cursor line background
-vim-insert-background: bcbcbc
+vim-insert-background: c5cae9
 # [VNote] Vim normal mode cursor line background
-vim-normal-background: b0bec5
+vim-normal-background: bcbcbc
 # [VNote] Vim visual mode cursor line background
 vim-visual-background: 90caf9
 # [VNote] Vim replace mode cursor line background

src/vconfigmanager.cpp

@@ -347,8 +347,8 @@ QString VConfigManager::getLogFilePath()
 void VConfigManager::updateMarkdownEditStyle()
 {
     static const QString defaultCurrentLineBackground = "#C5CAE9";
-    static const QString defaultVimNormalBg = "#B0BEC5";
-    static const QString defaultVimInsertBg = "#CDC0B0";
+    static const QString defaultVimNormalBg = "#BCBCBC";
+    static const QString defaultVimInsertBg = "#C5CAE9";
     static const QString defaultVimVisualBg = "#90CAF9";
     static const QString defaultVimReplaceBg = "#F8BBD0";
     static const QString defaultTrailingSpaceBg = "#A8A8A8";