div img.grimsi {
  transition: all 0.2s;
  -webkit-transition: all 0.2s;
  -moz-transition: all 0.2s;
}
div img.grimsi {
   float: left;
  filter: grayscale(100%);
  -webkit-filter: grayscale(100%);
  -moz-filter: grayscale(100%);
}
div img.grimsi:hover {
  filter: grayscale(0%);
  -webkit-filter: grayscale(0%);
  -moz-filter: grayscale(0%);
  transform: scale(1.1);
  -webkit-transform: scale(1.1);
  -moz-transform: scale(1.1);
}