@-moz-document url-prefix("http://www.google.com/calendar/"), 
               url-prefix("https://www.google.com/calendar/") {
    #dh5,#dh12,#dh19,#dh26,#dh33,#dh40,#dh47,#dh54 {
        color: #00F;
        background-color: #CCF;
        display: block;
        padding: 0 0.4em 2px 0;
        margin-bottom: -2em;
    }
    .dayNotInMonth > #dh5, .dayNotInMonth > #dh12,
    .dayNotInMonth > #dh19, .dayNotInMonth > #dh26,
    .dayNotInMonth > #dh33, .dayNotInMonth > #dh40,
    .dayNotInMonth > #dh47, .dayNotInMonth > #dh54 {
        color: #88F;
        background-color: #DDF;
    }
    #dh6,#dh13,#dh20,#dh27,#dh34,#dh41,#dh48,#dh55 {
        color: #F00;
        background-color: #FCC;
        display: block;
        padding: 0 0.4em 2px 0;
        margin-bottom: -2em;
    }
    .dayNotInMonth > #dh6, .dayNotInMonth > #dh13,
    .dayNotInMonth > #dh20, .dayNotInMonth > #dh27,
    .dayNotInMonth > #dh34, .dayNotInMonth > #dh41,
    .dayNotInMonth > #dh48, .dayNotInMonth > #dh55 {
        color: #F88;
        background-color: #FDD;
    }
 
}