diff --git a/12/style.css b/12/style.css
index 5d0ab2c..525de12 100644
--- a/12/style.css
+++ b/12/style.css
@@ -633,4 +633,12 @@ cursor:pointer;
 
 .link_05 > img:hover {
 filter: invert(1);
+}
+
+#clock_drag{
+  padding: 10px;
+  cursor: move;
+  z-index: 10;
+  background-color: #2196F3;
+  color: #fff;
 }
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