diff --git a/css/structure/jquery.mobile.forms.select.css b/css/structure/jquery.mobile.forms.select.css
index 67580449..b77e396e 100644
--- a/css/structure/jquery.mobile.forms.select.css
+++ b/css/structure/jquery.mobile.forms.select.css
@@ -6,7 +6,13 @@
 .ui-select { display: block; position: relative; }
 .ui-select select { position: absolute; left: -9999px; top: -9999px; }
 .ui-select .ui-btn { overflow: hidden; }
+
+
+.ui-select .ui-btn { opacity: 1; }
+/* Fixes #2588 — When Windows Phone 7.5 (Mango) tries to calculate a numeric opacity for a select—including “inherit”—without explicitly specifying an opacity on the parent to give it context, a bug appears where clicking elsewhere on the page after opening the select will open the select again. */
 .ui-select .ui-btn select { cursor: pointer; -webkit-appearance: button; left: 0; top:0; width: 100%;  min-height: 1.5em; min-height: 100%; height: 3em; max-height: 100%; opacity: 0; -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)"; filter: alpha(opacity=0); z-index: 2; }
+
+
 @-moz-document url-prefix() {.ui-select .ui-btn select { opacity: 0.0001; }}
 .ui-select .ui-btn select.ui-select-nativeonly { opacity: 1; text-indent: 0; }