.imagen{
    width: 100%;
}

.imagen img{
    width: 100%;
}

p {
    font-family: arial, helvetica, roboto, "new times roman", lato;
    text-align:center;
    color: #703e0b;
    font-size: medium;
}

.galeria{
    width: 100%;
    margin: auto;
    display: grid;
    grid-template-columns: repeat(3,1fr);
    column-gap: 1rem;
    row-gap: 1rem;
    align-items: baseline;
}

@media (min-width:100px){
    .galeria{
        grid-template-columns: repeat(1, 1fr);
    }
}

@media (min-width:520px){
    .galeria{
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width:728px){
    .galeria{
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width:1024px){
    .galeria{
        grid-template-columns: repeat(4, 1fr);
    }
}