move away from deprecated realtive path

assets/css/release.css

@@ -1,54 +0,0 @@
-
-#videoplayer {
-  position: absolute;
-  top: 0;
-  left: 0;
-  width: 100%;
-  height: 100%;
-  min-width: 100%;
-  min-height: 100%;
-  overflow: hidden;
-}
-
-video {
-
-  min-width: 100%;
-  min-height: 100%;
-  background: url('https://s3-us-west-2.amazonaws.com/s.cdpn.io/4273/polina.jpg') no-repeat;
-  background-size: cover;
-  opacity: 0.3;
-  -webkit-transition: 1s opacity; transition: 1s opacity;
-  overflow: hidden;
-}
-
-button {
-  position:fixed;
-  top:100px;
-  left: 100px;
-  display: block;
-  width: 200px;
-  padding: .4rem;
-  border: none;
-  margin: 1rem auto;
-  font-size: 1.3rem;
-  background: rgba(255,255,255,0.23);
-  color: #fff;
-  border-radius: 3px;
-  cursor: pointer;
-  -webkit-transition: .3s background;
-  transition: .3s background;
-}
-#videoplayer button:hover {
-  background: rgba(0,0,0,0.5);
-}
-
-@media screen and (max-width: 500px) {
-  div{width:70%;}
-}
-@media all and (max-device-width: 800px) {
-  body { background: url("https://s3-us-west-2.amazonaws.com/s.cdpn.io/4273/polina.jpg") #000 no-repeat center center fixed; background-size: cover; }
-  #bgvid, #videoplayer button { display: none; }
-  div{width:70%;}
-}
-.stopfade { opacity: 1;
-}

assets/css/vid_release.css

@@ -1,46 +0,0 @@
-html,
-body {
-  height: 100%;
-}
-
-body {
-  display: flex;
-  margin: 0;
-}
-#content {
-  flex-grow: 1;
-  background: steelblue;
-  overflow-x: hidden;
-  width: 100%;
-  height: 100%;
-  margin: 0;
-  padding: 0;
-}
-
-#bgvid {
-  object-fit: cover;
-  width: 100%;
-  height: 100%;
-}
-
-
-button {
-  position:fixed;
-  top:70%;
-  left: 20%;
-  display: block;
-  width: 200px;
-  padding: .4rem;
-  border: none;
-  margin: 1rem auto;
-  font-size: 1.3rem;
-  background: rgba(255,255,255,0.23);
-  color: #fff;
-  border-radius: 3px;
-  cursor: pointer;
-  -webkit-transition: .3s background;
-  transition: .3s background;
-}
-button:hover {
-  background: rgba(0,0,0,0.5);
-}