Remove z-index of #info style from MMD examples

examples/webgl_loader_mmd.html

@@ -18,7 +18,6 @@
 				top: 10px;
 				width: 100%;
 				text-align: center;
-				z-index: 100;
 				display:block;
 			}
 			#info a, .button { color: #f00; font-weight: bold; text-decoration: underline; cursor: pointer }

examples/webgl_loader_mmd_audio.html

@@ -18,7 +18,6 @@
 				top: 10px;
 				width: 100%;
 				text-align: center;
-				z-index: 100;
 				display:block;
 			}
 			#info a, .button { color: #f00; font-weight: bold; text-decoration: underline; cursor: pointer }

examples/webgl_loader_mmd_pose.html

@@ -18,7 +18,6 @@
 				top: 10px;
 				width: 100%;
 				text-align: center;
-				z-index: 100;
 				display:block;
 			}
 			#info a, .button { color: #f00; font-weight: bold; text-decoration: underline; cursor: pointer }