.Error_page {
  background-color: #dfdfdf;
  display: flex;
  flex-direction: column;
  justify-content: center;
  height: 80vh;
  text-align: center;
}

.err-card{
  text-align: center;
  background-color:#ffffff;
  padding: 4rem 1.5rem ;
  box-shadow: 25px 30px 120px 0px rgba(0, 0, 0, 0.4);
  border-radius: 30px;
}

.Error_page h1 {
  margin: 0;
  padding: 0;
  font-size: 12rem;
  font-weight: 700;
  letter-spacing: 4px;
}

.Error_page h4 {
  letter-spacing: 0.4rem;
  margin-bottom: 3rem;
  color: #666;
}

.btn-err {
  display: inline-block;
  width: 250px;
  background-image: linear-gradient(to top, #D8D9DB 0%, #fff 80%, #FDFDFD 100%);
  border-radius: 30px;
  border: 1px solid #999;
  transition: all 0.2s ease;
  font-size: 18px;
  line-height: 36px;
  font-weight: 600;
  color: #666666;
  text-shadow: 0 1px #fff;
}

.btn-err:hover {
  box-shadow: 0 4px 3px 1px #FCFCFC, 0 6px 8px #D6D7D9, 0 -4px 4px #CECFD1, 0 -6px 4px #FEFEFE, inset 0 0 3px 3px #CECFD1;
}

.btn-err:active {
  box-shadow: 0 4px 3px 1px #FCFCFC, 0 6px 8px #D6D7D9, 0 -4px 4px #CECFD1, 0 -6px 4px #FEFEFE, inset 0 0 5px 3px #999, inset 0 0 30px #aaa;
}

.btn-err:focus {
  box-shadow: 0 4px 3px 1px #FCFCFC, 0 6px 8px #D6D7D9, 0 -4px 4px #CECFD1, 0 -6px 4px #FEFEFE, inset 0 0 5px 3px #999, inset 0 0 30px #aaa;
}