diff --git a/src/css/custom.css b/src/css/custom.css
index 446e3d8..758c8aa 100644
--- a/src/css/custom.css
+++ b/src/css/custom.css
@@ -132,14 +132,16 @@ table {
 .tabs__item {
   border: 1px var(--ifm-toc-border-color) solid;
   border-radius: var(--ifm-global-radius);
+  align-items: center;
   text-align: center;
-  margin: .125em;
+  margin: .1875em;
 }
 
 .tabs__item--active {
   background-color: var(--ifm-color-primary-darker);
   border-color: var(--ifm-color-primary);
   color: #fff;
+  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.5);
 }
 
 .tabs__item--active:hover {