Fines should not exist. Anything that gets punished by a fine is basically codeword for 'you can break that law if you're rich'. The most spectacular example being Facebook's stock rising after being fined for a few billions because it was pocket money for them.
Alternatively, if you really want to punish minor things, fines could be dependent on your income.
Alternatively, if you really want to punish minor things, fines could be dependent on your income.