BEGIN:VCALENDAR
BEGIN:VEVENT
DTSTART;VALUE=DATE:YYYYMMDD
RRULE:FREQ=MONTHLY;BYMONTHDAY=-1
DESCRIPTION:月末にやること
SUMMARY:月末イベント名
END:VEVENT
END:VCALENDAR

@-moz-document url-prefix("https://www.google.com/calendar/") {
	/* Google Calendar Color Monday */
	
	.st-dtitle:nth-last-child(2),
	.tg-weekend:nth-last-child(2),
	#weekViewAllDayBgwk .st-bg:nth-last-child(2) {
		background-color: #D8E2F2 !important;
		color: #6A6AFF !important;
	}
	
	.st-bg-table .st-bg:nth-last-child(2),
	.tg-weekend:nth-last-child(2),
	#weekViewAllDayBgwk .st-bg:nth-last-child(2) {
		background-color: #F0F3FC !important;
	}
	
	.st-dtitle:last-child,
	.tg-weekend:last-child,
	#weekViewAllDayBgwk .st-bg:last-child {
		background-color: #F6E4E4 !important;
		color: #FF6A6B !important;
	}
	
	.st-bg-table .st-bg:last-child,
	.tg-weekend:last-child,
	#weekViewAllDayBgwk .st-bg:last-child {
		background-color: #FFF0EE !important;
	}
	
	.dp-dayh:nth-last-child(2),
	.dp-weekend:nth-last-child(2),
	.dp-weekend-selected:nth-last-child(2) {
		color: #22F !important;
	}
	
	.dp-weekend:nth-last-child(2).dp-offmonth,
	.dp-weekend-selected:nth-last-child(2).dp-offmonth {
		color: #88F !important;
	}
	
	.dp-dayh:last-child,
	.dp-weekend:last-child,
	.dp-weekend-selected:last-child {
		color: #E22 !important;
	}
	
	.dp-weekend:last-child.dp-offmonth,
	.dp-weekend-selected:last-child.dp-offmonth {
		color: #E88 !important;
	}
}

@-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;
    }

}