diff --git a/css/rt-ai-html.css b/css/rt-ai-html.css
index 2b94a0c..b5b76f8 100644
--- a/css/rt-ai-html.css
+++ b/css/rt-ai-html.css
@@ -82,9 +82,9 @@
     padding: 0.75rem 1.25rem;
     
     /* Typography */
-    font-size: 16px;
+    font-size: 15px;
     font-weight: 500;
-    line-height: 1.4;
+    line-height: 1.3;
     text-align: center;
     color: white;
     
@@ -126,8 +126,8 @@
 
 @media screen and (max-width: 600px) {
     .btn {
-        width: 100%;
-        font-size: 17px;
+        flex: 0 1 calc(50% - 0.5rem);
+        font-size: 15px;
     }
 }
 
@@ -169,9 +169,9 @@
     padding: 0.75rem 1.25rem;
     
     /* Typography */
-    font-size: 16px;
+    font-size: 15px;
     font-weight: 500;
-    line-height: 1.4;
+    line-height: 1.3;
     text-align: center;
     color: white;
     
@@ -211,8 +211,8 @@
 
 @media screen and (max-width: 600px) {
     .btn-shade {
-        width: 100%;
-        font-size: 17px;
+        flex: 0 1 calc(50% - 0.5rem);
+        font-size: 15px;
     }
 }