.error404 .site-content {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: horizontal;
  -webkit-box-direction: normal;
  -ms-flex-direction: row;
  flex-direction: row;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  -ms-flex-align: center !important;
  align-items: center !important;
}

.error404-title {
  margin-top: 0;
  margin-bottom: -10px;
  font-size: 200px;
  font-weight: 700;
  letter-spacing: 5px;
  line-height: 1;
}

.error404-sub-title {
  font-size: 28px;
  font-weight: bold;
}

.error404-message { margin-bottom: 50px; }