diff --git a/static/css/lightbox.css b/static/css/lightbox.css
new file mode 100644
index 0000000..3166a75
--- /dev/null
+++ b/static/css/lightbox.css
@@ -0,0 +1,23 @@
+.lightbox {
+  display: none;
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  z-index: 999;
+  width: 100vw;
+  height: 100vh;
+  background: rgba(0, 0, 0, 0.8); }
+  .lightbox img {
+    position: absolute;
+    top: 0;
+    left: 0;
+    right: 0;
+    bottom: 0;
+    margin: auto;
+    max-width: 100%;
+    max-height: 100%; }
+  .lightbox:target {
+    outline: none;
+    display: block; }