body{
    background-image:url(../img/fondo_einstein.jpg);
    display: flex;
    flex-wrap: wrap;

}

h1{
    width: 100%;
    background-image:url(../img/titulo.jpg);
    text-align: center;
    color: white;
    font-size: 3em;
}

img{
    margin: 10 px auto;
    border: 10px solid gray;
    margin: 10px auto;


}

p{
    background-color: white;
    

}