diff --git a/css/okadmin.css b/css/okadmin.css
index e69de29..c515c19 100644
--- a/css/okadmin.css
+++ b/css/okadmin.css
@@ -0,0 +1,26 @@
+@charset "utf-8";
+@import "../lib/layui/css/layui.css";
+
+.layui-body {
+ border: 1px solid red;
+}
+
+.layui-body .layui-tab {
+ height: 100%;
+}
+
+.layui-body .layui-tab .layui-tab-title {
+
+}
+
+.layui-body .layui-tab .layui-tab-content {
+ height: 100%;
+}
+
+.layui-body .layui-tab .layui-tab-content .layui-tab-item {
+ height: 100%;
+}
+
+.layui-body .layui-tab .layui-tab-content .layui-tab-item iframe {
+ height: 100%;
+}
\ No newline at end of file
diff --git a/index.html b/index.html
index 7c3f2a8..c76456b 100644
--- a/index.html
+++ b/index.html
@@ -7,7 +7,7 @@
-
+