Dimensions 60 × 30 × 30 cm
Volume 54L
Background Black Paint
Lighting 2x 24W T5
Filtration Eheim 2224
Plants Alternanthera reineckii 'Mini'
Staurogyne repens
Reineckii Alternanthera 'Purple'
Rotala species "Green"
Hemianthus micranthemoides
Hemianthus callitrichoides ''Cuba''
Bacopa caroliniana
Pogostemon erectus
Monosolenium tenerum
Hygrophila corymbosa 'Siamensis'
Animals Harlequin Rasbora
Neon Tetra
Materials Aqua Substrate II
For that style the focus is way too much to the right (caused by the big red group of Alternanthera) and not based on the rule of thirds.
Plants look to be in good shape but contrasts could be stronger with regards to shape and colour. Also more space between the separate plant groups would help there.