.caja {     width: 540px; 
    background-image: url(img/centro.jpg); 
    background-repeat: repeat-y; 
} 

.cajaarriba { 
    background-image: url(img/superior.jpg); 
    background-position: top left; 
    background-repeat: no-repeat; 
} 

.cajaabajo { 
    background-image: url(img/inferior.jpg); 
    background-position: bottom left; 
    background-repeat: no-repeat; 
    padding: 15px 15px 15px 25px;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 14px;
	font-weight: normal;
	color: #990066; 
	
} 
.caja2 {     width: 498px; 
    background-image: url(img/centro2.jpg); 
    background-repeat: repeat-y; 
} 

.cajaarriba2 { 
    background-image: url(img/superior2.jpg); 
    background-position: top left; 
    background-repeat: no-repeat; 
} 

.cajaabajo2 { 
    background-image: url(img/inferior2.jpg); 
    background-position: bottom left; 
    background-repeat: no-repeat; 
    padding: 15px 15px 20px 15px;
	font-family: Arial, Helvetica, sans-serif;
	font-size: 14px;
	font-weight: normal;
	color: #990066; 
	
}