*{
    box-sizing: border-box;
    margin: 10px auto;
}


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

img{
    width: 30%;
    height: auto;
    margin: 20px auto;
    border: 0.5cm solid grey;
}


h1{
    width: 95%;
    color: white;
    text-align: center;
    background-image: url(../img/titulo.jpg)
}

p{
    margin: 0.1cm;
    width: 100%;
    background-color: white;
    font-size: 1.5em;
    margin:0.51cm 
    
}