diff --git a/css/common.css b/css/common.css
index e595e23..b8105cf 100644
--- a/css/common.css
+++ b/css/common.css
@@ -77,7 +77,7 @@ body {
   border: 1px solid #fff;
 }
 .base .left.input-active {
-  border: 1px solid #c4c7ce;
+  border-color: #c4c7ce;
   border-radius: 0 0 4px 10px;
   border-top: none;
 }
diff --git a/css/common.less b/css/common.less
index e3385be..0c0d5a3 100644
--- a/css/common.less
+++ b/css/common.less
@@ -92,7 +92,7 @@ body {
         // border-top: none;
 
         &.input-active {
-            border: 1px solid #c4c7ce;
+            border-color: #c4c7ce;
             border-radius: 0 0 4px 10px;
             border-top: none;
         }