diff --git a/src/components/ttt-tile/ttt-tile.jsx b/src/components/ttt-tile/ttt-tile.jsx
index a09db32b0..778730db2 100644
--- a/src/components/ttt-tile/ttt-tile.jsx
+++ b/src/components/ttt-tile/ttt-tile.jsx
@@ -19,7 +19,7 @@ const TTTTile = props => (
                 />
             </div>
             <div className="ttt-tile-info">
-                <h4 className="ttt-tile-title">{props.title}</h4>
+                <h3 className="ttt-tile-title">{props.title}</h3>
                 <p className="ttt-tile-description">
                     {props.description}
                 </p>
diff --git a/src/components/ttt-tile/ttt-tile.scss b/src/components/ttt-tile/ttt-tile.scss
index f1e95e8cd..65eccabc8 100644
--- a/src/components/ttt-tile/ttt-tile.scss
+++ b/src/components/ttt-tile/ttt-tile.scss
@@ -104,3 +104,7 @@
     height: 1rem;
     vertical-align: text-bottom;
 }
+
+h3 {
+    font-size: 1em;
+}
diff --git a/src/views/about/about.jsx b/src/views/about/about.jsx
index 79c1339f9..ac146acec 100644
--- a/src/views/about/about.jsx
+++ b/src/views/about/about.jsx
@@ -46,7 +46,7 @@ const About = () => (
         <div className="body">
             <ul>
                 <li>
-                    <h3><FormattedMessage id="about.whoUsesScratch" /></h3>
+                    <h2><FormattedMessage id="about.whoUsesScratch" /></h2>
                     <img
                         alt=""
                         src="/images/about/who-uses-scratch.jpg"
@@ -55,7 +55,7 @@ const About = () => (
                 </li>
 
                 <li>
-                    <h3><FormattedMessage id="about.literacy" /></h3>
+                    <h2><FormattedMessage id="about.literacy" /></h2>
                     <iframe
                         allowFullScreen
                         mozallowfullscreen={'true'}
@@ -67,7 +67,7 @@ const About = () => (
                 </li>
 
                 <li>
-                    <h3><FormattedMessage id="about.aroundTheWorld" /></h3>
+                    <h2><FormattedMessage id="about.aroundTheWorld" /></h2>
                     <img
                         alt=""
                         src="/images/about/around-the-world.png"
@@ -90,7 +90,7 @@ const About = () => (
                     /></p>
                 </li>
                 <li>
-                    <h3><FormattedMessage id="about.schools" /></h3>
+                    <h2><FormattedMessage id="about.schools" /></h2>
                     <img
                         alt=""
                         src="/images/about/scratch-in-schools.jpg"
@@ -107,7 +107,7 @@ const About = () => (
                     /></p>
                 </li>
                 <li>
-                    <h3><FormattedMessage id="about.quotes" /></h3>
+                    <h2><FormattedMessage id="about.quotes" /></h2>
                     <img
                         alt="Quotes about Scratch"
                         src="/images/about/quotes.gif"
@@ -127,7 +127,7 @@ const About = () => (
                 </li>
 
                 <li>
-                    <h3><FormattedMessage id="about.research" /></h3>
+                    <h2><FormattedMessage id="about.research" /></h2>
                     <img
                         alt=""
                         src="/images/about/research-remix.png"
@@ -186,7 +186,7 @@ const About = () => (
                 </li>
 
                 <li>
-                    <h3><FormattedMessage id="about.learnMore" /></h3>
+                    <h2><FormattedMessage id="about.learnMore" /></h2>
                     <ul className="list">
                         <li>
                             <a href="/faq"><FormattedMessage id="about.learnMoreFaq" /></a>
@@ -204,7 +204,7 @@ const About = () => (
                 </li>
 
                 <li>
-                    <h3><FormattedMessage id="about.support" /></h3>
+                    <h2><FormattedMessage id="about.support" /></h2>
                     <p><FormattedMessage
                         id="about.supportDescription"
                         values={{
diff --git a/src/views/about/about.scss b/src/views/about/about.scss
index 6360b9db8..3251d08f3 100644
--- a/src/views/about/about.scss
+++ b/src/views/about/about.scss
@@ -47,6 +47,10 @@
         padding: 26px 40px 6px;
         width: calc(100% - 80px);
 
+        h2 {
+            font-size: 1.4rem;
+        }
+
         ul {
             display: flex;
             margin: 0;
diff --git a/src/views/explore/explore.scss b/src/views/explore/explore.scss
index 0b6242bcc..48852836c 100644
--- a/src/views/explore/explore.scss
+++ b/src/views/explore/explore.scss
@@ -83,6 +83,12 @@ $base-bg: $ui-white;
     .categories {
         justify-content: flex-start;
 
+        ul {
+            list-style: none;
+            padding: 0;
+            display: inline-block;
+        }
+
         li {
             border: 0;
             background-color: $active-gray;