mesh css simplification

web/mesh/index.html

@@ -6,29 +6,28 @@
     <meta name="keywords" content="3d,mesh,editor,stl,obj,3mf" />
     <meta name="copyright" content="stewart allen [sa@grid.space]">
     <meta name="description" content="Browser-based 3D Mesh Editor">
-    <meta property="og:description" content="Mesh:Tool is browser-based 3D Mesh Editor">
-    <meta property="og:title" content="Browser-based 3D Mesh Editor">
+    <meta property="og:description" content="Mesh:Tool is a browser-based 3D Mesh Editor">
+    <meta property="og:title" content="Browser-based Mesh Editor">
     <meta property="og:type" content="website">
     <meta property="og:url" content="https://grid.space/mesh/">
-    <meta property="og:image" content="https://static.grid.space/img/logo_km_og.png">
     <title>Mesh:Tool</title>
-    <link rel="icon" href="/kiri/favicon.ico">
-    <link rel="apple-touch-icon" href="/kiri/favicon-mobile.png">
+    <link rel="icon" href="/mesh/favicon.ico">
     <link rel="stylesheet" type="text/css" href="/mesh/index.css?{{version}}">
     <link href="/font/css/all.min.css" rel="stylesheet">
     <script src="/font/js/all.min.js" crossorigin="anonymous"></script>
     <script src="/code/mesh.js?{{version}}"></script>
 </head>
 <body>
-<div id="app" class="f-col">
-    <div id="curtain" class="j-center a-center"><img id="loading"/>loading...</div>
+<div id="app">
+    <div id="curtain"><img id="loading"/>loading...</div>
     <div id="container"></div>
-    <div id="top" class="f-row">
-        <div id="app-info" class="f-col a-center">
-            <div><div id="app-name"></div><div id="app-vers">version</div></div>
+    <div id="top">
+        <div id="app-info">
+            <div id="app-name"></div><div id="app-vers">version</div>
         </div>
     </div>
     <div id="top-sep"></div>
+    <div id="app-body"></div>
 </div>
 </body>
 </html>