diff --git a/pkgdown/extra.css b/pkgdown/extra.css
index e564372..51293d0 100644
--- a/pkgdown/extra.css
+++ b/pkgdown/extra.css
@@ -1,14 +1,26 @@
+:root {
+  --primary-color: #15354A;
+}
+
 .navbar {
-  background-color: #15354A !important;
+  background-color: var(--primary-color) !important;
 }
 
 #navbar > ul.navbar-nav > li.nav-item a:hover {
-  background-color: #15354A !important;
+  background-color: var(--primary-color) !important;
 }
 
-.navbar-dark .navbar-nav .active>.nav-link {
-  background-color: #15354A !important;
-  color: #fff;
+#navbar > ul.navbar-nav > li.nav-item > a {
+  color: rgba(255, 255, 255, 0.55);
+}
+
+.navbar-dark .navbar-nav .active > .nav-link {
+  background-color: var(--primary-color) !important;
+  color: #fff !important;
+}
+
+.navbar-brand {
+  color: #fff !important;
 }
 
 .navbar-dark input[type="search"] {
@@ -21,29 +33,18 @@ nav .text-muted {
 }
 
 a {
-  color: rgb(53, 127, 158);
+  color: var(--primary-color);
 }
 
 a:hover {
-  color: #15354A;
+  color: #2c2b2b;
 }
 
 button.btn.btn-primary.btn-copy-ex {
-  background-color: #15354A;
-  border-color: #15354A;
-}
-
-.app-preview {
-  margin: 1.5em 0.75em;
-  padding: 0.25em;
-  box-shadow:
-    0 3.9px 4.6px rgba(0, 0, 0, 0.08),
-    0 12.3px 8.4px rgba(0, 0, 0, 0.056),
-    0 18.8px 19.2px rgba(0, 0, 0, 0.037),
-    0 22px 40px rgba(0, 0, 0, 0.019);
+  background-color: var(--primary-color);
+  border-color: var(--primary-color);
 }
 
-
 .home {
   left: 0px;
   position: absolute;