.swiper{
    width: 40%;
    height: 40%;
    padding: 10px 0px 10px 0px;
    font-family: Arial, Helvetica, sans-serif;
}
.swiper-slide{
    width: 60%;
    height: 60%;
    background-color: #fff;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.334);
    padding: 40px;
    text-align: center;
}    

h1,h2,h3,h4,h5,h6{
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;
}

p{
    font-family: Arial, Helvetica, sans-serif;
}

.product-content{
    display:block;
}

.product-img{
    flex-basis: 40%;
    text-align: center;
}

.product-img img{
    width: 40%;
}

@media(max-width: 500px){
    .swiper{
        width: 80%;
        height: 40%;
        padding: 10px 0px 10px 0px;
        font-family: Arial, Helvetica, sans-serif;
    }
    .swiper-slide{
        width: 60%;
        height: 60%;
        background-color: #fff;
        box-shadow: 0 0 20px rgba(0, 0, 0, 0.334);
        padding: 40px;
        text-align: center;
    }  

    .contenedor-contenido article{
        padding: 0px;
    }
}