diff --git a/static/css/portfolio.css b/static/css/portfolio.css
index 1ef0677..83fdb80 100644
--- a/static/css/portfolio.css
+++ b/static/css/portfolio.css
@@ -68,6 +68,17 @@ div h3 {
   margin-block: 0;
 }
 
+div h3::after {
+  content: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' height='20' width='20' viewBox='0 0 24 24' fill='none' %3E%3Cpath d='M21 3h-6m6 0l-9 9m9-9v6' stroke='currentColor' %3E%3C/path%3E%3Cpath d='M21 13v6a2 2 0 01-2 2H5a2 2 0 01-2-2V5a2 2 0 012-2h6' stroke='currentColor' %3E%3C/path%3E%3C/svg%3E");
+  float: right;
+}
+
+@media (prefers-color-scheme: dark) {
+  div h3::after {
+    filter: invert(80%);
+  }
+}
+
 /* Element description */
 span {
   margin: auto;