style link source

web/strike/style.css

@@ -34,3 +34,13 @@ a{
     left: 50%;
     transform: translate(-50%, -50%);
   }
+
+  /* image source */
+.img-source {
+    position: absolute;
+    font-size: small;
+    color: gold;
+    top: 50%;
+    left: 50%;
+    transform: translate(-50%, -50%);
+  }