.espacio{
    padding-top: 4.2em;
}

main section{
    margin-top: 4em;
}

main section h1{
    padding-bottom: 1em;
}

main section h3{
    padding-bottom: .5em;
}

main section p{
    padding-bottom: 2em;
}

main{
    margin:  0 auto;
    width: 80%;
    max-width: 1280px;
}

main section h2{
    padding-bottom: .5em;
}