diff --git a/_includes/image.html b/_includes/image.html
index 83a09070e..a211d2e0f 100644
--- a/_includes/image.html
+++ b/_includes/image.html
@@ -6,5 +6,5 @@
     	width="{{ include.width }}" 
     	height="{{ include.height }}"
     >
-    {% if include.caption %}<figcaption class="small">{{ include.caption }}</figcaption>{% endif %}
+    {% if include.caption %}<figcaption markdown="1">{{ include.caption | markdownify }}</figcaption>{% endif %}
 </figure>
\ No newline at end of file
diff --git a/_includes/picture.html b/_includes/picture.html
index 907047203..c008103a2 100644
--- a/_includes/picture.html
+++ b/_includes/picture.html
@@ -18,5 +18,5 @@
 	    	height="{{ include.height }}"
 	    >
 	</picture>
-	{% if include.caption %}<figcaption class="small">{{ include.caption }}</figcaption>{% endif %}
+	{% if include.caption %}<figcaption markdown="1">{{ include.caption | markdownify }}</figcaption>{% endif %}
 </figure>
diff --git a/_sass/minima/_nav-list.scss b/_sass/minima/_nav-list.scss
index 796e07368..18588dba7 100644
--- a/_sass/minima/_nav-list.scss
+++ b/_sass/minima/_nav-list.scss
@@ -16,16 +16,25 @@
     position: relative;
     margin: 0;
 
-    .nav-list-link {
+    a.nav-list-link {
       display: block;
       font-size: 15px;
       line-height: 34px;
       margin-left: 34px;
+      color: black;
+
+      &:visited {
+        color: black;
+      }
 
       &.-active {
         font-weight: 500;
         color: $primary-color;
         text-decoration: none;
+
+        &:visited {
+          color: $primary-color;
+        }
       }
 
       &:hover,
@@ -82,13 +91,19 @@
     }
 
     &.-active {
-      > .nav-list-link {
-          // color: $primary-color;
+      > a.nav-list-link {
+          color: $primary-color;
+
+          &:visited {
+            color: $primary-color;
+          }
       }
 
-      > .nav-list-expander svg {
-          transform: rotate(90deg);
-          color: $primary-color;
+      > .nav-list-expander {
+          svg {
+            transform: rotate(90deg);
+            color: $primary-color;
+          }
       }
 
       > .nav-list {
diff --git a/assets/images/guide/bitcoin-island-mobile.jpg b/assets/images/guide/bitcoin-island-mobile.jpg
index 45e02d57c..ce83e907d 100644
Binary files a/assets/images/guide/bitcoin-island-mobile.jpg and b/assets/images/guide/bitcoin-island-mobile.jpg differ
diff --git a/assets/images/guide/bitcoin-island-mobile@2x.jpg b/assets/images/guide/bitcoin-island-mobile@2x.jpg
index 8828f17a3..6a0f02dfd 100644
Binary files a/assets/images/guide/bitcoin-island-mobile@2x.jpg and b/assets/images/guide/bitcoin-island-mobile@2x.jpg differ
diff --git a/assets/images/guide/bitcoin-island-preview.jpg b/assets/images/guide/bitcoin-island-preview.jpg
new file mode 100644
index 000000000..434120e62
Binary files /dev/null and b/assets/images/guide/bitcoin-island-preview.jpg differ
diff --git a/assets/images/guide/bitcoin-island.jpg b/assets/images/guide/bitcoin-island.jpg
index 69b1fdfb5..40355df11 100644
Binary files a/assets/images/guide/bitcoin-island.jpg and b/assets/images/guide/bitcoin-island.jpg differ
diff --git a/assets/images/guide/bitcoin-island@2x.jpg b/assets/images/guide/bitcoin-island@2x.jpg
index dcc2a58fd..49e12b5cb 100644
Binary files a/assets/images/guide/bitcoin-island@2x.jpg and b/assets/images/guide/bitcoin-island@2x.jpg differ