.err-main {
  background: #fff;
  text-align: center;
  padding-top: 115px;
}
.err-content {
  background: url("../imgs/404.png") no-repeat center top;
  height: calc(100vh - 413px);
  min-height: 400px;
  padding: 222px 45px 0 0;
}
.err-content h1 {
  color: #333333;
  font-size: 24px;
  margin-bottom: 17px;
  font-weight: normal;
}
.err-content p {
  text-align: center;
  color: #999999;
  font-size: 16px;
}
.err-content a {
  margin-left: 15px;
  color: #ff8e68;
}