*{
    margin: 0;
    padding: 0;
}
#contenedor{
    border: 1px solid black;
}
#cabecera{
    display: flex;
    justify-content: space-between;
    padding-top: 20px;
    padding-bottom: 10px;
}
#titulo{
    margin-left: 10px;
}
.menu{
    display: flex;
    margin-right: 60px ;
    margin-left: 50px;
    padding: 1px;
}
.menu ul{
    padding: 10px;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 20px;
}
.menu ul li a{
    text-decoration: none;
    color: black;
}
.menu ul li a:visited{
    color: black;
}
#contenido{
    border: 1px solid gray;
    margin: 10px;
    padding: 20px;
}
#logo img{
    width: 210px;
    height: 85px;
}
h3{
    color: blue;
    padding: 5px;
}
.articulo ol{ 
    margin-left: 20px;
}