added transparency fallback line for IE

predict/css/pred.css

@@ -62,6 +62,7 @@ a { text-decoration: underline; color: #333; cursor: pointer; }
 }
 
 .box {
+        background: rgb(255,255,255); /* fallback */
 	background: rgba(255,255,255,0.75); /* for more modern browsers */
 }