#slider-up-down{display:flex;gap:20px;height:600px;overflow:hidden;width:fit-content}#slider-up-down .columna{height:600px;overflow:hidden;position:relative;width:250px}#slider-up-down .lista{display:flex;flex-direction:column;gap:20px;left:0;position:absolute;top:0}#slider-up-down .item img{border-radius:10px;display:block;height:400px;width:250px}@media (max-width:768px){#slider-up-down{display:block;height:400px;margin:0 auto;width:250px}#slider-up-down .columna.derecha{display:none}#slider-up-down .columna.izquierda{height:400px;margin:0 auto;overflow:hidden;position:relative;width:250px}}