DIV HEADER

PROPIEDADES: 

 border-radius: 25px 25px 0px 0px; 
    -moz-border-radius: 25px 25px 0px 0px; 
    -webkit-border-radius: 25px 25px 0px 0px; 
    border: 1px outset #800000;
    text-align: center;
    background-color:LightGray;

LAS OPCIONES DE MENU ESTAN EN EL DIV NAV

PROPIEDADES:

list-style-type:none;
	border: 1px outset #800000;   
	display: flex ;
    flex-direction: row ;
    flex-wrap: wrap ;
    justify-content: space-around ;
    align-items: center ;
    align-content: center ;
    margin:0;
	padding:0;
	background-color:LightGray;

DIV ARTICLE

PROPIEDADES: 

 background-color:LightGray;
	border: 1px outset #800000;   
	margin-bottom: 0px;
    margin-top: 0px;