diff --git a/packages/theme-chalk/src/input.scss b/packages/theme-chalk/src/input.scss
index 14e2a9806..ef36f3e59 100644
--- a/packages/theme-chalk/src/input.scss
+++ b/packages/theme-chalk/src/input.scss
@@ -247,6 +247,7 @@
   display: inline-block;
   width: 100%;
   vertical-align: bottom;
+  font-size: $--font-size-base;
 
   @include e(inner) {
     display: block;
@@ -255,7 +256,7 @@
     line-height: 1.5;
     box-sizing: border-box;
     width: 100%;
-    font-size: $--font-size-base;
+    font-size: inherit;
     color: $--input-color;
     background-color: $--input-fill;
     background-image: none;