.panel-group,
.panel {
  border-radius: 0 !important;
}
.panel-default>.panel-heading {
  color: #333;
  background-color: #fff;
  border-color: #e4e5e7;
  padding: 0;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  border-radius: 0;
}
.panel-default>.panel-heading a {
  display: block;
  padding: 10px 15px;
  text-decoration: none;
}
.panel-default>.panel-heading a:after {
  content: "";
  position: relative;
  top: 1px;
  display: inline-block;
  font-family: 'Glyphicons Halflings';
  font-style: normal;
  font-weight: 400;
  line-height: 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  float: right;
  transition: transform .25s linear;
  -webkit-transition: -webkit-transform .25s linear;
}
.panel-default>.panel-heading a[aria-expanded="true"] {
  background-color: #00a3c3;
  color: #fff !important;
}
.panel-default>.panel-heading a[aria-expanded="true"] a {
  color: #fff;
}
.panel-default>.panel-heading a[aria-expanded="true"]:after {
  content: "\2212";
  -webkit-transform: rotate(180deg);
  transform: rotate(180deg);
}
.panel-default>.panel-heading a[aria-expanded="false"]:after {
  content: "\002b";
  -webkit-transform: rotate(90deg);
  transform: rotate(90deg);
}
.accordion-option {
  width: 100%;
  float: left;
  clear: both;
  margin: 15px 0;
}
.accordion-option .title {
  font-size: 20px;
  font-weight: bold;
  float: left;
  padding: 0;
  margin: 0;
}
.accordion-option .toggle-accordion {
  float: right;
  font-size: 16px;
  color: #6a6c6f;
}
.accordion-option .toggle-accordion:before {
  content: "Expand All";
}
.accordion-option .toggle-accordion.active:before {
  content: "Collapse All";
}
.item-view {
  position: relative;
}
.item-view .mask {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(0,79,190,0.8);
  -webkit-transition: all 0.5s linear;
  -moz-transition: all 0.5s linear;
  -o-transition: all 0.5s linear;
  -ms-transition: all 0.5s linear;
  transition: all 0.5s linear;
  -ms-filter: "progid: DXImageTransform.Microsoft.Alpha(Opacity=0)";
  filter: alpha(opacity=0);
  opacity: 0;
}
.item-view:hover .mask {
  opacity: 1;
}
.item-container {
  outline: 0;
}
.item-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(0,163,195,0.8);
  overflow: hidden;
  width: 100%;
  height: 20%;
  transition: .5s ease;
}
.item-overlay img {
  display: none;
}
.item-container:hover .item-overlay {
  height: 100%;
}
.item-container .lupa {
  display: none;
  visibility: hidden;
  transition: all 500ms ease;
}
.item-container:hover .lupa {
  display: block;
  visibility: visible;
  transition: all 500ms ease;
}
.item-container:hover .item-overlay img {
  display: block;
}