Clashing colors, jagged lines, misaligned elements, poor font choice, pixelation, messy composition, chaotic design, unprofessional, unclear imagery, generic shapes, disproportionate elements, bad contrast, outdated font, poor balance, low-quality rendering, lack of cohesion, mismatched colors, amateurish appearance, unclear truck representation, bad color choice, lack of symmetry, cheesy style, excessive detailing, distracting elements, overly complicated, unbalanced composition.