#realpostimages_post_images .images {
  margin-bottom: 10px;
}
#realpostimages_post_images label {
  position: relative;
  display: block;
  float: left;
  width: 25%;
  padding: 2px;
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
}
#realpostimages_post_images input[type="checkbox"] {
  display: none;
}
#realpostimages_post_images input[type="checkbox"] + img {
  position: relative;
  display: block;
  max-width: 100%;
  border: 3px solid #fff;
  padding: 1px;
  background: #fff;
  -webkit-box-sizing: border-box;
     -moz-box-sizing: border-box;
          box-sizing: border-box;
}
#realpostimages_post_images input[type="checkbox"] + img:hover {
  border-color: #2EA5DE;
}
#realpostimages_post_images input[type="checkbox"]:checked + img {
  border-color: #1e8cbe;
}
#realpostimages_post_images input[type="checkbox"]:checked + img:hover {
  border-color: #B71A0D;
}