fix(player): use videojs

player/static/player.css

@@ -12,10 +12,12 @@
 
 body,
 html {
-  min-height: 100%;
+  height: 100vh;
   background-color: #000;
   color: #fff;
   font-family: 'Roboto', sans-serif;
+  display: flex;
+  flex-direction: column;
 }
 
 header {
@@ -81,11 +83,11 @@ a:active {
 }
 
 #video {
-  position: relative;
   width: 100%;
   height: 100%;
   background-color: black;
   overflow: hidden;
+  flex: 1;
 }
 
 .loader {