From b7baa733c57fc5236a08bd978f6bbdf6d88c1899 Mon Sep 17 00:00:00 2001
From: "RELIAS\\wcoleman" <wcoleman@reliaslearning.com>
Date: Mon, 16 Oct 2017 18:44:57 -0400
Subject: [PATCH] added css and js transitions

---
 05 - Flex Panel Gallery/index-START.html | 41 ++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

diff --git a/05 - Flex Panel Gallery/index-START.html b/05 - Flex Panel Gallery/index-START.html
index c6509bed02..1da1d9b35d 100644
--- a/05 - Flex Panel Gallery/index-START.html	
+++ b/05 - Flex Panel Gallery/index-START.html	
@@ -24,6 +24,7 @@
     .panels {
       min-height:100vh;
       overflow: hidden;
+      display: flex;
     }
 
     .panel {
@@ -41,6 +42,11 @@
       font-size: 20px;
       background-size:cover;
       background-position:center;
+      flex: 1;
+      justify-content: center;
+      align-items: center;
+      display: flex;
+      flex-direction: column;
     }
 
 
@@ -54,6 +60,26 @@
       margin:0;
       width: 100%;
       transition:transform 0.5s;
+      flex: 1 0 auto;
+      display: flex;
+      justify-content: center;
+      align-items: center;
+    }
+
+    .panel > *:first-child {
+      transform: translateY(-100%);
+    }
+
+    .panel.open-active > *:first-child {
+      transform: translateY(0);
+    }
+
+    .panel > *:last-child {
+      transform: translateY(100%);
+    }
+
+    .panel.open-active > *:last-child {
+      transform: translateY(0);
     }
 
     .panel p {
@@ -68,6 +94,7 @@
 
     .panel.open {
       font-size:40px;
+      flex: 5;
     }
 
   </style>
@@ -102,7 +129,21 @@
   </div>
 
   <script>
+    const panels = document.querySelectorAll('.panel');
+
+    function toggleOpen() {
+      this.classList.toggle('open');
+    }
+
+    function toggleActive(e) {
+      if(e.propertyName.includes('flex')) {
+        this.classList.toggle('open-active');
+      }
+    }
 
+    panels.forEach(panel => panel.addEventListener('click', toggleOpen));
+    panels.forEach(panel => panel.addEventListener('transitionend', toggleActive));
+    
   </script>