/*==================   Tumbnail    ======================*/
.thumb {
  /*border-radius: 5px;*/
  display: block;
  position: relative;
  overflow: hidden;
}
.thumb img {
  /*border-radius: 5px;*/
  width: 100%;
  height: auto;
  -moz-transition: 0.5s all ease;
  -o-transition: 0.5s all ease;
  -webkit-transition: 0.5s all ease;
  transition: 0.5s all ease;
}
.thumb_overlay {
  position: absolute;
  left: 0;
  top: 0;
  right: 0;
  bottom: 0;
  opacity: 0;
  -moz-transition: 0.3s all ease;
  -o-transition: 0.3s all ease;
  -webkit-transition: 0.3s all ease;
  transition: 0.3s all ease;
  color: #ffffff;
  background: transparent;
}

.thumb_overlay:before {
  content: '\f065';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  font: 400 30px 'FontAwesome';
  line-height: 30px;
  margin-top: -15px;
  text-align: center;
}
.lt-ie9 .thumb_overlay:before {
  display: none;
}
.thumb:hover .thumb_overlay {
  opacity: 1;
  background: rgba(0, 0, 0, 0.5);
}
.lt-ie9 .thumb:hover .thumb_overlay {
  background: none;
  -ms-filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#80000000', endColorstr='#80000000');
  filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#80000000', endColorstr='#80000000');
  zoom: 1;
}
.lt-ie9 .thumb:hover .thumb_overlay:before {
  display: block;
}

/*放大*/
.thumb:hover img {
  -moz-transform: scale(1.2);
  -ms-transform: scale(1.2);
  -o-transform: scale(1.2);
  -webkit-transform: scale(1.2);
  transform: scale(1.2);
}