.menu2{
    width: 300px;    
}

.articulo1{
    display: table;
}



h2{
    font-size: 20px;
    text-align: center;
}

p{
    font-size: 15px;
}

.imagen img{display: block; margin: auto;}

.imagen{border: solid 1px;}

@media screen and (min-width:1130px){
    .menu2{
        float: left;
    }
    
    .contenido{
        float: right;
        width: 700px;
    }    
    
    .imagen img{
        width: 700px;        
    }
    .imagen{display: table;}
}

@media screen and (max-width:1129px){
    .contenido{
        width: 90%;
        margin: auto;
    }
    
    .imagen img{min-height: 200px;}
    
    .articulo1{width: 100%; display: block; margin-bottom: 0px;}
    
    .menu2{margin: 40px auto;}
    .imagen{width: 100%; overflow: hidden;}
}

@media screen and (max-width:379px){
    .menu2{width: 90%;}
}