bz-slidepane OK + console started + intro loader

app/assets/styles/intro.css

@@ -1,3 +1,5 @@
+@import '/app/assets/styles/icons.css';
+
 body {
     display: flex; 
     justify-content: center;
@@ -36,14 +38,20 @@ canvas.intro3d.ready{
     40%   { opacity: 0.8; }
     100% { opacity: 1;   }
 }
-.progress{
-  position: absolute;
-  width: 100px;
-  height: 2px;
-  background: white;
-  top: 50%;
-  left: 50%;
-  transform: translate(-50%, -50%);
+@keyframes spin {
+  0% { transform: rotate(0deg) ; }
+  100% { transform: rotate(360deg) ; }
+}
+.loading{
+    animation: spin 1s infinite linear;
+    font-family: 'glyphs';
+    color: #7E6;
+    font-size: 4em;;
+    z-index: 99999;  
+    position:absolute;
+    left:50%;
+    top:50%;
+    transform: translateX(-50%) translateY(-50%);
 }
 
 #startbtn{
@@ -59,8 +67,8 @@ canvas.intro3d.ready{
     box-shadow: 2px 2px 10px #BAFFEF, -2px -2px 10px #BAFFEF, -2px 0 10px #BAFFEF, 0 -2px 10px #BAFFEF;
     animation: startbtnanim 5s ease-out forwards;
     z-index: 99;
+    display: none;
 }
-
 #startbtn[disabled]{
     filter: brightness(.3);
 }