#fondo{
	width: 100%;
	background-color: Gainsboro;
	background-attachment: fixed;
	font-family: Arial;
	font-size: 20px;
	margin: 0px;

}

#pagina{
		max-width:1100px;
		color: black;
		background-color: white;
		/opacity: 0.5;
		overflow: hidden; 
		padding: 5px; 
		margin: 0 auto 0px auto;
		text-align: left;
}

h4 {
	font-family: 'arial', cursive;
	font-size: 25px;
	color:DarkSlateGray;
	font-weight:bold;
	margin-bottom: 0px;
	margin-top: 0px;
}

h3 {
	font-family: 'arial', cursive;
	font-size: 20px;
	color:DarkSlateGray;
	font-weight:bold;
	margin-bottom: 0px;
	margin-top: 0px;
}

.button {
    background-color: Peru; /* Green */
    border: none;
    color: black;
    padding: 16px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    margin: 20px 10px;
}

#caja{  
        background-color: PapayaWhip;  
        width: 90%; 
		min-height: 100px;
		text-align: left;
		padding: 10px;
		color: #404040;
		margin: 10px;
		text-decoration: none;
}
#caja2{  
        background-color: Olive;  
        width: 90%; 
		min-height: 40px;
		text-align: center;
		padding: 10px;
		color: white;
		margin: 10px;
		text-decoration: none;
}

#base{
		width: 100%;
		height: 180px;
		color: BurlyWood;
		margin: 0 auto 0px auto;
		text-shadow: 1px 1px black;
		text-align: center;
		background-color: SaddleBrown;
		padding: 10px;
		/bottom: 0; /* Posicionamos la cabecera pegada arriba */
		/position: relative; /* Hacemos que la cabecera tenga una posición fija */
}
#izquierda{  
		float:left;  
        max-width: 525px;
		margin-right: 5px;
		text-align: left;
		padding: 5px;
		clear: right;
} 
#limpiar{ clear: both; } 
#derecha{  
        float:left;  
        max-width: 525px; 
		text-align: left;
		padding: 5px;
		text-decoration: none;
}