diff --git a/src/uncloseai-modal-builtin.css b/src/uncloseai-modal-builtin.css
index e70fa73..8557442 100644
--- a/src/uncloseai-modal-builtin.css
+++ b/src/uncloseai-modal-builtin.css
@@ -690,7 +690,7 @@ dialog#tts-modal {
 
 .uncloseai-btn-small {
   padding: 4px 8px;
-  font-size: 12px;
+  font-size: 18px;
   border-radius: 4px;
   cursor: pointer;
   transition: all 0.2s;
diff --git a/src/uncloseai-modal-pico.css b/src/uncloseai-modal-pico.css
index 1e1f84f..a27d12d 100644
--- a/src/uncloseai-modal-pico.css
+++ b/src/uncloseai-modal-pico.css
@@ -740,7 +740,7 @@ dialog#tts-modal {
 
 .uncloseai-btn-small {
   padding: 4px 8px;
-  font-size: 12px;
+  font-size: 18px;
   border-radius: 4px;
   cursor: pointer;
   transition: all 0.2s;