.bg-grey{
    background-color: rgb(247, 248, 252);
}
.fakeh2 {
    font-family: "Poppins", sans-serif;
    font-size: 40px;
    font-weight: 700;
    text-align: center;
    color: var(--main);
    margin-top: 0;
}
.titulitis h2 {
    margin-bottom: 0px;
}
.titulitis {
    margin-bottom: 2rem;
}

.mbl-boxes article {
    max-width: 920px;
    margin: auto;
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    height: auto;
    display: flex;
    width: 90%;
    box-shadow: #0000000f 0px 0px 5px 1px;
    flex-direction: row;
    margin-bottom: 2rem;
}
article.reverse {
    flex-direction: row-reverse;
}
.mbl-boxes article div {
    max-width: 50%;
}
.txt-side {
    padding: 20px;
}
.img-side img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
aside.buy-now {
    position: fixed;
    bottom: 20px;
    right: 15px;
}

.articulo-card-ebook {
    margin: 2rem auto;
    max-width: 650px;
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    height: auto;
    width: 90%;
    box-shadow: #0000000f 0px 0px 5px 1px;
    padding: 2rem;
    box-sizing: border-box;
}
@media (max-width: 700px) {
    .mbl-boxes article {
        display: flex;
        flex-direction: column-reverse;
    }
    .mbl-boxes article div{
        max-width: 100%;
    }
    .fakeh2{
        font-size: 25px;
    }
    .img-side {
        display: contents;
    }
    h3#bibliografia:after{
        display: none;
    }
}