diff --git a/css/index.css b/css/index.css
index 30a3ea4..dee5a37 100644
--- a/css/index.css
+++ b/css/index.css
@@ -45,6 +45,7 @@
   color: #ffffff;
   border: none;
   outline: none;
+  font-size: 16px;
 }
 .header-box .search .input::placeholder {
   color: #ffffff;
diff --git a/css/index.less b/css/index.less
index 8413a2f..5a37c5f 100644
--- a/css/index.less
+++ b/css/index.less
@@ -48,6 +48,7 @@
             color: #ffffff;
             border: none;
             outline: none;
+            font-size: 16px;
             &::placeholder {
                 color: #ffffff;
             }