add video fallback

app/static/css/partials/_film.scss

@@ -106,6 +106,7 @@ main > .film {
     margin-right: auto;
     padding: 20px;
     font-size: 18px;
+    z-index: 200;
 
     a {
       color: #ee0;
@@ -113,6 +114,11 @@ main > .film {
       font-weight: 700;
     }
   }
+  
+  .bio-block, .play, .summary-block, .texts {
+    position: relative;
+  }
+
 }
 
 .summary-block {
@@ -129,22 +135,26 @@ main > .film {
 
 .video-block {
   height: 100vh;
-  //padding-bottom: 50px;
-  //padding-top: 50px;
 
-  video {
+  video, .video-fallback-block {
     position: fixed;
     top: 0;
     left: 0;
     right: 0;
-    z-index: -9999;
     height: 100vh;
     width: 100vw;
     object-fit: fill;
-    //height: 100vh;
-    //width: auto;
     margin: 0 auto;
   }
+
+  video {
+    z-index: 100;
+  }
+
+  .video-fallback-block {
+    z-index: 90;
+  }
+
 }
 
 .icon-play {