Fix icon color and chevron size

app/assets/stylesheets/lexxy.css

@@ -59,6 +59,10 @@
   lexxy-toolbar {
     border-color: var(--lexxy-border-color);
     gap: 0;
+
+    svg {
+      fill: currentColor;
+    }
   }
 
   .lexxy-editor__toolbar-button {
@@ -76,6 +80,13 @@
     }
   }
 
+  .lexxy-editor__toolbar-dropdown--chevron {
+    summary:after {
+      block-size: 0.3rem;
+      inline-size: 0.3rem;
+    }
+  }
+
   lexxy-link-dropdown {
     --lexxy-toolbar-spacing: 1.5ch;