diff --git a/2020-ryusei/index.html b/2020-ryusei/index.html
index b36b6be..15f924f 100644
--- a/2020-ryusei/index.html
+++ b/2020-ryusei/index.html
@@ -37,7 +37,7 @@
     </ul>
   </div>
   <div class="maintext">
-    <a-scene>
+    <a-scene id="vr" embedded>
       <a-assets>
         <video id="video" src="R0010003.MP4" loop="true"></video>
       </a-assets>
diff --git a/2020-ryusei/skip.css b/2020-ryusei/skip.css
index d6df101..92ee624 100644
--- a/2020-ryusei/skip.css
+++ b/2020-ryusei/skip.css
@@ -1,33 +1,96 @@
-body{background-color:#FFFFCC;
-background-image: url(skip_back.PNG);
-background-position: right bottom;
-background-repeat: no-repeat;
-background-attachment: fixed;}
-
-h1{text-align: center;font-size: 3em;font-weight: bold;}
-
-h2{text-align:center; font-size:2em;font-weight:bold;}
-
-.midasi{font-size:4em; text-align:center;text-shadow: 1px 1px 2px silver; font-weight: bold; margin:10px; padding:10px;border:5px solid black;
-background: linear-gradient(45deg, #6cb8ff, #fff66c, #ffa36c); }
-
-div.maintext {text-align: center; border: ridge 2px;}
-
-.mainbox { display: table; width: 70%; margin: 0 auto;table-layout: fixed;}
-
-.box { display: table-cell;vertical-align: middle; text-align: center; border:5px solid black; padding:10px;width:12em;}
-
-.box:nth-child(1):hover {background: #99CCFF;transition: background 1s;transition-delay:0.2s;}
-
-.box:nth-child(2):hover {background: #99CCFF;transition: background 1s;transition-delay:0.2s;}
-
-.box:nth-child(3):hover {background: #99CCFF;transition: background 1s;transition-delay:0.2s;}
-
-a:hover{text-decoration: underline;}
-
-@media print{
-  body {background-color: white;}
-  h1 {color: black;}
-  h2 {color: black;}
-}
-p {text-align: center;}
+body {
+  background-color: #FFFFCC;
+  background-image: url(skip_back.PNG);
+  background-position: right bottom;
+  background-repeat: no-repeat;
+  background-attachment: fixed;
+}
+
+h1 {
+  text-align: center;
+  font-size: 3em;
+  font-weight: bold;
+}
+
+h2 {
+  text-align: center;
+  font-size: 2em;
+  font-weight: bold;
+}
+
+.midasi {
+  font-size: 4em;
+  text-align: center;
+  text-shadow: 1px 1px 2px silver;
+  font-weight: bold;
+  margin: 10px;
+  padding: 10px;
+  border: 5px solid black;
+  background: linear-gradient(45deg, #6cb8ff, #fff66c, #ffa36c);
+}
+
+div.maintext {
+  text-align: center;
+  border: ridge 2px;
+}
+
+#id {
+  width: 70%;
+  height: 40%;
+}
+
+.mainbox {
+  display: table;
+  width: 70%;
+  margin: 0 auto;
+  table-layout: fixed;
+}
+
+.box {
+  display: table-cell;
+  vertical-align: middle;
+  text-align: center;
+  border: 5px solid black;
+  padding: 10px;
+  width: 12em;
+}
+
+.box:nth-child(1):hover {
+  background: #99CCFF;
+  transition: background 1s;
+  transition-delay: 0.2s;
+}
+
+.box:nth-child(2):hover {
+  background: #99CCFF;
+  transition: background 1s;
+  transition-delay: 0.2s;
+}
+
+.box:nth-child(3):hover {
+  background: #99CCFF;
+  transition: background 1s;
+  transition-delay: 0.2s;
+}
+
+a:hover {
+  text-decoration: underline;
+}
+
+@media print {
+  body {
+    background-color: white;
+  }
+
+  h1 {
+    color: black;
+  }
+
+  h2 {
+    color: black;
+  }
+}
+
+p {
+  text-align: center;
+}