Problème d'une balise image introuvable dans le code

/* Preload images */
body:after {
  content: url(/images/loading.gif);
  content: url(/images/next.png) ;
  content: url(/images/prev.png);
  content: url(/images/close.png);   
  display: none;
}

.lightboxOverlay {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  background-color: black;
  filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=80);
  opacity: 0.8;
  display: none;
}

.lightbox {
  position: absolute;
  left: 0;
  width: 100%;
  z-index: 10000;
  text-align: center;
  line-height: 0;
  font-weight: normal;
}

.lightbox .lb-image {
  display: block;
  height: auto;
  max-width: inherit;
  -webkit-border-radius: 3px;
  -moz-border-radius: 3px;
  -ms-border-radius: 3px;
  -o-border-radius: 3px;
  border-radius: 3px;
}

.lightbox a img {
  border: none;
}

.lb-outerContainer {
  position: relative;
  background-color: white;

zoom: 1;  width: 250px;  height: 250px;  margin: 0 auto;  -webkit-border-radius: 4px;  -moz-border-radius: 4px;  -ms-border-radius: 4px;  -o-border-radius: 4px;  border-radius: 4px;}.lb-outerContainer:after {  content: "";  display: table;  clear: both;}.lb-container {  padding: 4px;}.lb-loader {  position: absolute;  top: 43%;  left: 0;  height: 25%;  width: 100%;  text-align: center;  line-height: 0;}.lb-cancel {  display: block;  width: 32px;  height: 32px;  margin: 0 auto;  background: url(/images/loading.gif) no-repeat;}.lb-nav {  position: absolute;  top: 0;  left: 0;  height: 100%;  width: 100%;  z-index: 10;}.lb-container > .nav {  left: 0;}.lb-nav a {  outline: none;  background-image: url('data:image/gif;base64,R0lGODlhAQABAPAAAP///wAAACH5BAEAAAAALAAAAAABAAEAAAICRAEAOw==');}.lb-prev, .lb-next {  height: 100%;  cursor: pointer;  display: block;}.lb-nav a.lb-prev {  width: 34%;  left: 0;  float: left;  background: url(/images/prev.png) left 48% no-repeat;  filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=0);  opacity: 0;  -webkit-transition: opacity 0.6s;  -moz-transition: opacity 0.6s;  -o-transition: opacity 0.6s;  transition: opacity 0.6s;}.lb-nav a.lb-prev:hover {  filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=100);  opacity: 1;}.lb-nav a.lb-next {  width: 64%;  right: 0;  float: right;  background: url(/images/next.png) right 48% no-repeat;  filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=0);  opacity: 0;  -webkit-transition: opacity 0.6s;  -moz-transition: opacity 0.6s;  -o-transition: opacity 0.6s;  transition: opacity 0.6s;}.lb-nav a.lb-next:hover {  filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=100);  opacity: 1;}.lb-dataContainer {  margin: 0 auto;  padding-top: 5px;  *zoom: 1;  width: 100%;  -moz-border-radius-bottomleft: 4px;  -webkit-border-bottom-left-radius: 4px;  border-bottom-left-radius: 4px;  -moz-border-radius-bottomright: 4px;  -webkit-border-bottom-right-radius: 4px;  border-bottom-right-radius: 4px;}.lb-dataContainer:after {  content: "";  display: table;  clear: both;}.lb-data {  padding: 0 4px;  color: #ccc;}.lb-data .lb-details {  width: 85%;  float: left;  text-align: left;  line-height: 1.1em;}.lb-data .lb-caption {  font-size: 13px;  font-weight: bold;  line-height: 1em;}.lb-data .lb-number {  display: block;  clear: left;  padding-bottom: 1em;  font-size: 12px;  color: #999999;}.lb-data .lb-close {  display: block;  float: right;  width: 30px;  height: 30px;  background: url(/images/close.png) top right no-repeat;  text-align: right;  outline: none;  filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=70);  opacity: 0.7;  -webkit-transition: opacity 0.2s;  -moz-transition: opacity 0.2s;  -o-transition: opacity 0.2s;  transition: opacity 0.2s;}.lb-data .lb-close:hover {  cursor: pointer;  filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=100);  opacity: 1;}