CSIE rules!

struct csie {
  char c;
  short s;
  int i;
  double e;
};  
struct ceis {
  char c;
  double e;
  int i;
  short s;
};  
int main(void)
{
  printf("csie = %d\n", sizeof(struct csie));
  printf("ceis = %d\n", sizeof(struct ceis));
  return 0;
}

The output.

csie = 16
ceis = 24