diff --git a/app/assets/stylesheets/concepts.scss b/app/assets/stylesheets/concepts.scss
index fafa488..e752db6 100644
--- a/app/assets/stylesheets/concepts.scss
+++ b/app/assets/stylesheets/concepts.scss
@@ -105,11 +105,10 @@
 	width: 80%;
 	margin: 0.5em auto;
 	padding: 0.5em;
-	font-size: 1em;
+	font-size: 2em;
 	line-height: 1.6em;
-	background-color: #F9F9F9;
-	border: 0.1em solid #323232;
-	border-radius:5px;
+	border-radius: 5px;
+	text-align: center;
 }
 
 
diff --git a/app/assets/stylesheets/landing.scss b/app/assets/stylesheets/landing.scss
index 152f027..e695d3d 100644
--- a/app/assets/stylesheets/landing.scss
+++ b/app/assets/stylesheets/landing.scss
@@ -3,37 +3,39 @@
 #landing {
   /*position: relative;*/
   z-index: 1;
-  padding: 3.5em;
 }
 
 #bg {
-  background-image: image-url("discovery-crop.jpg");
   width: 100%;
+  min-height: 50vh;
+  position: relative;
+  padding: 5% 2em;
+}
+
+#bg:before {
+  background-image: image-url("discovery-crop.jpg");
+  background-position: bottom left;
   background-size: cover;
-  height: 102vh;
-  margin-top: -14.5em;
   opacity: 0.2;
-  position: fixed;
+  content: ' ';
+  position: absolute;
   top: 0;
-  bottom: 0;
   left: 0;
   right: 0;
-  z-index: -5;
+  bottom: 0;
+  z-index: -1;
 }
 
 /*hero text*/
 
 .landing-intro {
-  margin: 1em auto;
-  width: 100%;
+  text-align: center;
 }
 
 .landing-logo {
   padding-top: 0.5em;
   font-family: 'Chelsea Market', sans-serif;
   font-size: 5.5em;
-  margin: 0 auto;
-  width: 32%;
   color: #323232;
 }
 
@@ -42,7 +44,6 @@
   color: #323232;
   margin: 0.2em auto;
   font-size: 2em;
-  width: 17%;
   font-weight: bold;
 }
 
@@ -50,6 +51,7 @@
   margin: 1em auto;
   width: 25em;
   position: relative;
+  display: inline-block;
 }
 
 #landing-search-form {
@@ -87,8 +89,6 @@
   background-color: #F2F3F4;
   border: 1px solid #D6D6D6;
   clear: both;
-  margin-top: 12em;
-  position: fixed;
 }
 
 .suggested-container {
diff --git a/app/views/concepts/concept_tree.html.erb b/app/views/concepts/concept_tree.html.erb
index 768ce25..1d27e01 100644
--- a/app/views/concepts/concept_tree.html.erb
+++ b/app/views/concepts/concept_tree.html.erb
@@ -26,7 +26,7 @@ $(function() {
 </script>
 
 <div class="concept-tree-description">
-  This Concept Tree connects one concept to the next based on approximate complexity. Experiments at the top of the tree are the most appropriate for younger kids, while the ones at the bottom of the tree are more geared toward older children. With that said, we firmly believe, with the help of an adult, every experiment here can enrich a child of any age.
+  Concepts ordered from least to most complex
 </div>
 
 <span class="container">
diff --git a/app/views/experiments/landing_page.html.erb b/app/views/experiments/landing_page.html.erb
index 0273fbc..722122a 100644
--- a/app/views/experiments/landing_page.html.erb
+++ b/app/views/experiments/landing_page.html.erb
@@ -1,14 +1,15 @@
 <div id="landing">
-  <div id="bg"></div>
-  <div class="landing-intro">
-  	<h1 class="landing-logo">stempirical</h1>
+  <div id="bg">
+    <div class="landing-intro">
+    	<h1 class="landing-logo">stempirical</h1>
 
-  	<p class="stempirical-tagline">share the wonder</p>
-    <div class="landing-search">
-      <%= form_tag experiments_path, :method => "get", id: "landing-search-form" do %>
-        <%= text_field_tag "query", params[:query], placeholder: "Search Experiments", class: "landing-exp-search" %>
-        <button class="fa fa-search landing-fa-search"></button>
-      <% end %>
+    	<p class="stempirical-tagline">share the wonder</p>
+      <div class="landing-search">
+        <%= form_tag experiments_path, :method => "get", id: "landing-search-form" do %>
+          <%= text_field_tag "query", params[:query], placeholder: "Search Experiments", class: "landing-exp-search" %>
+          <button class="fa fa-search landing-fa-search"></button>
+        <% end %>
+      </div>
     </div>
   </div>
 </div>
diff --git a/app/views/layouts/application.html.erb b/app/views/layouts/application.html.erb
index 5954191..9af26f5 100644
--- a/app/views/layouts/application.html.erb
+++ b/app/views/layouts/application.html.erb
@@ -36,10 +36,12 @@
 </header>
 
 <div class="main-content">
+  <% if notice || alert %>
   <div class="messages">
     <p class="notice"><%= notice %></p>
     <p class="alert"><%= alert %></p>
   </div>
+  <% end %>
 <%= yield %></div>
 </body>
 </html>