diff --git a/app/less/video.less b/app/less/video.less
new file mode 100644
index 0000000..8705c62
--- /dev/null
+++ b/app/less/video.less
@@ -0,0 +1,21 @@
+#path_bar{
+	
+}
+#video_file {
+	
+}
+#video_preview_wrap {
+	background: #000;
+	width: 100%;
+}
+#video_preview {
+	height: 400px;
+	min-height: 400px;
+	width: auto;
+	margin: 0 auto;
+	display: block;
+	opacity: 0;
+	& .on {
+		opacity: 1.0;
+	}
+}
\ No newline at end of file