diff --git a/src/style/var.less b/src/style/var.less
index c31b6e683..8040123a5 100644
--- a/src/style/var.less
+++ b/src/style/var.less
@@ -231,8 +231,8 @@
 
 // Collapse
 @collapse-item-transition-duration: @animation-duration-base;
-@collapse-item-content-padding: @padding-md;
-@collapse-item-content-font-size: 13px;
+@collapse-item-content-padding: @padding-sm @padding-md;
+@collapse-item-content-font-size: 14px;
 @collapse-item-content-line-height: 1.5;
 @collapse-item-content-text-color: @gray-6;
 @collapse-item-content-background-color: @white;