diff --git a/src/public/stylesheets/style.css b/src/public/stylesheets/style.css
index 7edd58f7f..f11f125b6 100644
--- a/src/public/stylesheets/style.css
+++ b/src/public/stylesheets/style.css
@@ -232,12 +232,21 @@ div.ui-tooltip {
     border-color: var(--dropdown-border-color);
 }
 
+@keyframes dropdown-menu-opening {
+    from {
+        opacity: 0;
+    } to {
+        opacity: 1;
+    }
+}
+
 .dropdown-menu {
     border: 1px solid var(--dropdown-border-color);
     color: var(--menu-text-color) !important;
     background-color: var(--menu-background-color) !important;
     font-size: inherit;
     box-shadow: 0px 10px 20px rgba(0, 0, 0, var(--dropdown-shadow-opacity));
+    animation: dropdown-menu-opening 100ms ease-in;
 }
 
 .dropdown-menu.static {
@@ -1255,4 +1264,5 @@ textarea {
 .empty-table-placeholder {
     text-align: center;
     color: var(--muted-text-color);
-}
\ No newline at end of file
+}
+