[#67] fix dark-mode links for blog (#75)

* [#67] fix dark-mode links for blog

* [#67] updated css root body color

Author: ane1990

assets/scss/_styles_project.scss

@@ -37,6 +37,7 @@
     --td-pre-bg: #ececec;
     --bs-body-bg: #ffffff;
     --bs-emphasis-color: #333333;
+    --bs-body-color: #333333;
   }
 
   .dark-mode {
@@ -49,6 +50,7 @@
     --td-pre-bg: #1e1e1e;
     --bs-body-bg: #333333;
     --bs-emphasis-color: #ffffff;
+    --bs-body-color: #e0e0e0;
   }
 
   body {