添加 'add_style.css'

add_style.css

@@ -0,0 +1,10 @@
+ #ifame{
+        position: absolute;
+        min-width: 1200px;
+        width: 100%;
+        height: 100%;
+        background-color: transparent;
+        background-size: cover;
+        background-position: center center;
+        background-repeat: no-repeat;
+}