[MD History] Color tweaks.

chrome/browser/resources/md_history/shared_style.html

Index: chrome/browser/resources/md_history/shared_style.html
diff --git a/chrome/browser/resources/md_history/shared_style.html b/chrome/browser/resources/md_history/shared_style.html
index 9c6d07c31d4d212d443c1856e63071a24cf08d93..104cbd3b6972653938cd6cb8cfae57f4d0cae74c 100644
--- a/chrome/browser/resources/md_history/shared_style.html
+++ b/chrome/browser/resources/md_history/shared_style.html
@@ -7,11 +7,14 @@
         display: none !important;
       }
 
+      a {
+        color: var(--link-color);
+      }
+
       .card-title {
         align-items: center;
         border-bottom: 1px solid var(--card-border-color);
         border-radius: 2px 2px 0 0;
-        color: var(--primary-text-color);
         display: flex;
         font-size: 14px;
         font-weight: 500;
@@ -25,7 +28,7 @@
 
       .centered-message {
         align-items: center;
-        color: #b4b4b4;
+        color: var(--md-loading-message-color);
         display: flex;
         flex: 1;
         font-size: 14px;