diff --git a/dist/fineui.css b/dist/fineui.css
index 4d36aa712..0e3c108da 100644
--- a/dist/fineui.css
+++ b/dist/fineui.css
@@ -5648,3 +5648,21 @@ textarea::-webkit-scrollbar-thumb:hover {
   _filter: progid:DXImageTransform.Microsoft.AlphaImageLoader(src='resources?path=/com/fr/web/ui/images/1x/icon/trans_disable.png');
   _background: none;
 }
+.icon-size-12 .b-font {
+  font-size: 12px;
+}
+.icon-size-16 .b-font {
+  font-size: 16px;
+}
+.icon-size-24 .b-font {
+  font-size: 24px;
+}
+.icon-size-40 .b-font {
+  font-size: 40px;
+}
+.icon-size-50 .b-font {
+  font-size: 50px;
+}
+.icon-size-70 .b-font {
+  font-size: 70px;
+}
diff --git a/ui/css/size.css b/ui/css/size.css
new file mode 100644
index 000000000..b03b292c2
--- /dev/null
+++ b/ui/css/size.css
@@ -0,0 +1,18 @@
+.icon-size-12 .b-font {
+  font-size: 12px;
+}
+.icon-size-16 .b-font {
+  font-size: 16px;
+}
+.icon-size-24 .b-font {
+  font-size: 24px;
+}
+.icon-size-40 .b-font {
+  font-size: 40px;
+}
+.icon-size-50 .b-font {
+  font-size: 50px;
+}
+.icon-size-70 .b-font {
+  font-size: 70px;
+}
diff --git a/ui/less/size.less b/ui/less/size.less
new file mode 100644
index 000000000..a5089addc
--- /dev/null
+++ b/ui/less/size.less
@@ -0,0 +1,2 @@
+@import "../../src/less/resource/size";
+@import "var";
\ No newline at end of file