In IE, how do I remove a filter?

Question

I have a class

.tab{filter: progid:DXImageTransform.Microsoft.gradient(startColorstr=\'#f5ffff\', endColorstr=\'#e8f2f8\');}

and when one of th

Answer 1

-ms-filter: "progid:DXImageTransform.Microsoft.gradient(enabled = false)";
filter: none;