.entradilla{
    max-width:820px;
    font-size:1.05em;
}
.grid-seo{
    display:grid;
    grid-template-columns:repeat(3, 1fr);
    gap:24px;
    margin:24px 0 36px;
}
.grid-seo article{
    border-top:4px solid #a5121c;
    padding:18px 0 8px;
    display:flex;
    flex-direction: column;
    justify-content: space-between;
}
.grid-seo img{
    width:100%;
    max-width:180px;
    border:1px solid #000;
}
.colecciones article{
    border:1px solid #ddd;
    border-top:4px solid #a5121c;
    padding:18px;
}
.libros-coleccion{
    display:grid;
    grid-template-columns:repeat(2, minmax(0, 1fr));
    gap:14px;
    margin-top:16px;
}
.libros-coleccion a{
    display:grid;
    grid-template-columns:58px 1fr;
    gap:10px;
    align-items:center;
    text-decoration:none;
}
.libros-coleccion img{
    width:58px;
    max-width:58px;
    height:82px;
    object-fit:cover;
    border:1px solid #000;
}
.libros-coleccion span{
    color:#a5121c;
    text-decoration:underline dotted;
    line-height:1.25;
}
@media (480px <= width <= 768px){
    .grid-seo{grid-template-columns:repeat(2, 1fr);}
    .libros-coleccion{grid-template-columns:1fr;}
}
@media (width <= 479px){
    .grid-seo{grid-template-columns:1fr;}
    .libros-coleccion{grid-template-columns:1fr;}
}