.page_404 {
  padding: 40px 0;
  background: #fff;
  font-family: 'Arvo', serif;
  width: 800px;
  margin: 0 auto;
}

.page_404 img {
  width: 100%;
}

.four_zero_four_bg {
  background-image: url('/public/images/500.gif');
  height: 400px;
  background-position: center;
  background-repeat: no-repeat;
}

.four_zero_four_bg h1 {
  font-size: 80px;
}

.four_zero_four_bg h3 {
  font-size: 80px;
}

.link_404 {
  color: #fff;
  padding: 10px 20px;
  background: #39ac31;
  margin: 20px auto;
  display: inline-block;
  text-decoration: none;
  border-radius: 2px;
  font-size: 12px;
}
.contant_box_404 {
  margin-top: -50px;
}
.text-center,
h3,
p {
  text-align: center;
}