refactor(mermaid-viewer): Move shared button styles to base class

diff --git a/content/mermaid-viewer/head.html b/content/mermaid-viewer/head.html
index e0c084e53cc103b60e7ef27d0ace6c4d6fd55c38..650cc8a17ee3eb0d961c9b05efd02bdfa1c03c1e 100644 (file)
--- a/content/mermaid-viewer/head.html
+++ b/content/mermaid-viewer/head.html
@@ -520,7 +520,6 @@
     }
 
     .mermaid-viewer-button-base {
-        background: #FFFFFF;
         border: 1px solid #C0C0C0;
         border-radius: 6px;
         cursor: pointer;
@@ -541,14 +540,6 @@
     .dark-mode .mermaid-viewer-button-base {
         background: #282828;
         border: 1px solid #444444;
-        border-radius: 6px;
-        cursor: pointer;
-        display: flex;
-        align-items: center;
-        justify-content: center;
-        user-select: none;
-        width: 32px;
-        height: 32px;
         color: #FFFFFF;
         /* Explicitly set to white for dark mode icons */
     }