diff --git a/src/uncloseai-modal-builtin.css b/src/uncloseai-modal-builtin.css
index 3d87d89..d199063 100644
--- a/src/uncloseai-modal-builtin.css
+++ b/src/uncloseai-modal-builtin.css
@@ -203,6 +203,7 @@ dialog#uncloseai-embedded-modal[data-theme="light"] .uncloseai-modal-settings {
   border-radius: 18px 18px 4px 18px;
   max-width: 80%;
   word-wrap: break-word;
+  font-size: 14px;
 }
 
 .ai-message {
@@ -213,6 +214,7 @@ dialog#uncloseai-embedded-modal[data-theme="light"] .uncloseai-modal-settings {
   border-radius: 18px 18px 18px 4px;
   max-width: 80%;
   box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
+  font-size: 14px;
 }
 
 /* Dark theme message colors */
diff --git a/src/uncloseai-modal-pico.css b/src/uncloseai-modal-pico.css
index e207284..a7235be 100644
--- a/src/uncloseai-modal-pico.css
+++ b/src/uncloseai-modal-pico.css
@@ -224,6 +224,7 @@ dialog#uncloseai-embedded-modal[data-theme="light"] .uncloseai-modal-settings {
   border-radius: 18px 18px 4px 18px;
   max-width: 80%;
   word-wrap: break-word;
+  font-size: 14px;
 }
 
 .ai-message {
@@ -234,6 +235,7 @@ dialog#uncloseai-embedded-modal[data-theme="light"] .uncloseai-modal-settings {
   border-radius: 18px 18px 18px 4px;
   max-width: 80%;
   box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
+  font-size: 14px;
 }
 
 /* Dark theme message colors */