/* contruction blocks */
	/* vertical spacers */
	.ygv1 	{position:relative;height:1px;width:1px;}
	.ygv2 	{position:relative;height:2px;width:1px;}
	.ygv5 	{position:relative;height:5px;width:1px;}
	.ygv10 	{position:relative;height:10px;width:1px;}
	.ygv15 	{position:relative;height:15px;width:1px;}
	
	/* horizontal spacers */
	.ygh1 	{position:relative;height:1px;width:1px;}
	.ygh2 	{position:relative;height:1px;width:2px;}
	.ygh5 	{position:relative;height:1px;width:5px;}
	.ygh10 	{position:relative;height:1px;width:10px;}
	.ygh15 	{position:relative;height:1px;width:15px;}
	
/* color palette */ 
	.ygw{color:white;}
	.ygb{color:black;}
	
/* font families */
	.yga{font-family:arial,sans-serif;}
	.ygv{font-family:verdana,sans-serif;}
	.ygt{font-family:times,serif;}