diff --git a/src/styles/tiptap.scss b/src/styles/tiptap.scss
index 0966f16..a3f839c 100644
--- a/src/styles/tiptap.scss
+++ b/src/styles/tiptap.scss
@@ -91,4 +91,17 @@
 
 .ProseMirror {
   min-height: 75px;
-  }
\ No newline at end of file
+  }
+
+.btnMain.btnMainTipTap {
+    padding: 5px 10px;
+    height: 35px;
+    font-size: 14px;
+
+    .is-active {
+    background-color: rgb(255 255 255 / 15%);
+    color: rgb(255 255 255 / 85%);
+    font-weight: 700;
+    transform: scale(1);
+    }
+}
\ No newline at end of file