How to change close X color on Float

Here is the CSS that you can add to the Float in order to change the color for the Close X button. This CSS will change it to a Blue background with a White X.

.wprev_pro_float_outerdiv-close {
border-color: #2271b1;
background: -webkit-linear-gradient(-45deg,transparent 0,transparent 46%,#ffffff 46%,#ffffff 56%,transparent 56%,transparent 100%),-webkit-linear-gradient(45deg,transparent 0,transparent 46%,#ffffff 46%,#ffffff 56%,transparent 56%,transparent 100%);
background-color: #2271b1;
}

To change the background modify the #2271b1 color in the CSS code. To change the White X modify the #ffffff.