diff --git a/assets/css/common/main.css b/assets/css/common/main.css
index 8c21290..47bf666 100644
--- a/assets/css/common/main.css
+++ b/assets/css/common/main.css
@@ -94,6 +94,7 @@ mark {
     color: var(--primary);
     box-shadow: var(--link-underline-shadow);
     transition: var(--link-transition);
+    text-decoration:underline;
 }
 .inline-links a:hover {
     color: var(--link-hover-color);
diff --git a/assets/css/extended/custom.css b/assets/css/extended/custom.css
new file mode 100644
index 0000000..4f484a6
--- /dev/null
+++ b/assets/css/extended/custom.css
@@ -0,0 +1,7 @@
+:root {
+  --link-color: var(--primary);
+  --link-hover-color: #573eaa;
+  --link-underline-shadow: 0 1px 0 var(--link-color);
+  --link-hover-underline-color: #573eaa;
+  --link-hover-underline-shadow: 0 2px 0 var(--link-hover-underline-color);
+}