.modal {
  display: none;
  position: fixed;
  z-index: 1;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  overflow: auto;
  background-color: rgb(0,0,0);
  background-color: rgba(0,0,0,0.8);
  overflow: hidden;
}

.modal-content {
  height: 100%;
  padding-top: 100px;
}

.container {
  position: relative;
  margin-top: -5%;
  width: 60%;
  height: 85%;
  margin-left: auto;
  margin-right: auto;
}

.container img {
  width: 100%;
}

.container .backBtn {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translate(-50%, -50%);
  -ms-transform: translate(-50%, -50%);
  float: left;
  cursor:pointer;
  border: none;
	width: 306px;
	height: 74px;
	background-size: contain;
  background-color: rgba(255, 255, 255, 0);
}

.container .prevBtn {
  position: absolute;
  top: 45%;
  left: -10%;
  float: left;
  cursor:pointer;
  border: none;
	width: 88px;
	height: 122px;
	background-size: contain;
  background-color: rgba(255, 255, 255, 0);
}

.container .nextBtn {
  position: absolute;
  top: 45%;
  left: 100%;
  float: left;
  cursor:pointer;
  border: none;
	width: 88px;
	height: 122px;
  background-size: contain;
  background-color: rgba(255, 255, 255, 0);
}

.btn-group:after {
  content: "";
  clear: both;
  display: table;
}