.error-page {
  width: 100%;
  height: 100%;
  position: relative;
  background: #f8f8f9;
}
.error-page .content-con {
  width: 700px;
  height: 600px;
  position: absolute;
  left: 50%;
  top: 50%;
  -webkit-transform: translate(-50%, -60%);
          transform: translate(-50%, -60%);
}
.error-page .content-con img {
  display: block;
  width: 100%;
  height: 100%;
}
.error-page .content-con .text-con {
  position: absolute;
  left: 0px;
  top: 0px;
}
.error-page .content-con .text-con h4 {
  position: absolute;
  left: 0px;
  top: 0px;
  font-size: 80px;
  font-weight: 700;
  color: #348EED;
}
.error-page .content-con .text-con h5 {
  position: absolute;
  width: 700px;
  left: 0px;
  top: 100px;
  font-size: 20px;
  font-weight: 700;
  color: #67647D;
}
.error-page .content-con .back-btn-group {
  position: absolute;
  right: 0px;
  bottom: 20px;
}