In the default stylePages.css, the buttons within the online sales will appear red when using an Internet Explorer browser. For some clients, this works with their default pages. Others would prefer not to have the buttons appear in red. Please see the steps below on how to alter the buttons.
filter:progid:DXiMageTransform.microsoft.Gradient(GradientType=0,StartColorStr='#ff800000',EndColorStr='#ff333333');