.contenedor{
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding: 10px;
    width: 70%;
    margin: auto;
}
.columna{
    display: flex;
    flex-direction: column;    
    margin: 0 5px;
}

.columna img{
    width: 100%;
    height: auto;
    margin-bottom: 10px;
    border-radius: 13px;
}