/*
Or this one can be used
*/
.prod_img {
  -webkit-transition: all 2s ease-in-out;
  -moz-transition: all 2s ease-in-out;
  -o-transition: all 2s ease-in-out;
  -ms-transition: all 2s ease-in-out;
  transition: all 2s ease-in-out;
  height: 580px;
  width: 300px;
  position: relative;
}

.prod_img:before {
  content: ' ';
  position: absolute;
  top: 0px;
  left: 0px;
  width: 100%;
  height: 100%;
  background-image: url(http://images.all-free-download.com/images/graphicthumb/beautiful_landscape_picture_02_hd_pictures_166284.jpg);
  background-size: cover;
  background-position: center center;
  "

}

.protransparentbg {
  position: absolute;
  left: 20px;
  background: rgba(51, 51, 51, .8);
}

.prod_img:hover:before {
  webkit-transform: scale(1.04);
  -moz-transform: scale(1.04);
  -o-transform: scale(1.04);
  -ms-transform: scale(1.04);
  transform: scale(1.04);
  -webkit-transition: all 2s ease-in-out;
  -moz-transition: all 2s ease-in-out;
  -o-transition: all 2s ease-in-out;
  -ms-transition: all 2s ease-in-out;
  transition: all 2s ease-in-out;
}