Modern dance encourages dancers to use their emotions and moods to design their own steps and routines. Modern dance in opposition to ballet is the deliberate use of gravity. Whereas classical ballet dancers strive to be light and airy on their feet, modern dancers often use their body weight to enhance movement. This type of dancer rejects the classical ballet stance of an upright, erect body, often opting instead for deliberate falls to the floor. Noted taught styles of modern today are Horton, Graham, Limon, Cunningham and Dunham.