diff --git a/css/light-grey.css b/css/light-grey.css
index 63ae0e4ff..601c465bb 100644
--- a/css/light-grey.css
+++ b/css/light-grey.css
@@ -1232,7 +1232,8 @@ span.form_validation {
   vertical-align: middle;
 }
 .details > .field_container > div > div.field_value .attribute-edit .field_input_zone.field_input_date > span > img, .details > .field_container > div > div.field_value .attribute-edit .field_input_zone.field_input_datetime > span > img {
-  max-width: 16px;
+  width: 20px;
+  cursor: pointer;
 }
 .details > .field_container > div > div.field_value .attribute-edit .field_input_zone.field_input_text {
   border: none;
diff --git a/css/light-grey.scss b/css/light-grey.scss
index 8aa82e2d1..294a318dc 100644
--- a/css/light-grey.scss
+++ b/css/light-grey.scss
@@ -1347,7 +1347,8 @@ span.form_validation {
 									vertical-align: middle;
 
 									> img {
-										max-width: 16px;
+										width: 20px;
+										cursor: pointer;
 									}
 								}
 							}
diff --git a/images/calendar.png b/images/calendar.png
index c9a5509d7..353be63d9 100644
Binary files a/images/calendar.png and b/images/calendar.png differ