*
{
    margin: 0;
    padding: 0;
}
#portada
{
    width: 100%;
    margin: 0 auto;
    max-width: 900px;
    overflow: hidden;
    box-sizing: border-box;
}
#cuerpo
{
    width: 100%;
    margin: 0 auto;
    max-width: 1400px;
    overflow: hidden;
    padding-left: 5%;
    padding-right: 5%;
    box-sizing: border-box;
}
h1
{
    font-size: 28px;
    text-align: center;
    letter-spacing: 2px;
    font-family: arial;
    color: #bac5a3;
    margin-top: 2%;
    margin-bottom: 3%;
}
@media screen and (max-width: 800px) {
    #portada
    {
        margin-top: 50px;
    }
    h1
    {
        font-size: 22px;
    }
}