diff --git a/src/definitions/modules/dropdown.less b/src/definitions/modules/dropdown.less
index 2585dd485..8ab4a3d61 100755
--- a/src/definitions/modules/dropdown.less
+++ b/src/definitions/modules/dropdown.less
@@ -395,6 +395,12 @@ select.ui.dropdown {
   display: none;
 }
 
+@media all and (-ms-high-contrast:none) {
+  .ui.selection.dropdown .menu {
+    min-width: calc(100% - 15px);
+    }
+}
+
 @media only screen and (max-width : @largestMobileScreen) {
   .ui.selection.dropdown .menu {
     max-height: @selectionMobileMaxMenuHeight;