sdfsd remove bg

pano3.html

@@ -18,7 +18,7 @@
             /* set margin to 0 and overflow to hidden, to go fullscreen */
             margin: 0;
             overflow: hidden;
-            background: url('./nanimages/bg.jpg') center no-repeat;
+            /* background: url('./nanimages/bg.jpg') center no-repeat; */
             background-size:100% 100%;
             color:#ffffff;
             font-family:  "Microsoft YaHei";  

tip.html

@@ -18,7 +18,7 @@
             /* set margin to 0 and overflow to hidden, to go fullscreen */
             margin: 0;
             overflow: hidden;
-            background: url('./nanimages/tip.jpg') center no-repeat;
+            /* background: url('./nanimages/tip.jpg') center no-repeat; */
             background-size:100% 100%;
             color:#ffffff;
             font-family:  "Microsoft YaHei";  

ybf.html

@@ -18,7 +18,7 @@
             /* set margin to 0 and overflow to hidden, to go fullscreen */
             margin: 0;
             overflow: hidden;
-            background: url('./nanimages/bg1280.jpg') center no-repeat;
+            /* background: url('./nanimages/bg1280.jpg') center no-repeat; */
             background-size:100% 100%;
             color:#ffffff;
             font-family:  "Microsoft YaHei";