CSL Elite LC pedals on the floor... Here's a solution if you have no rig. Bolt something to the side and push it against a wall. I used a TV wall mount
CSL Pedals LC | Fanatec
Force2Motion - Die Plattform für Sim-Racing und Flug-Simulatoren - Fanatec ClubSport Pedal
CSL Elite Pedale V2 | Fanatec
Fanatec CSL Elite Pedals | 3D CAD Model Library | GrabCAD