.app-back-home {
  display: block;
  border: 2px solid #3C8CE7;
  border-radius: 4px;
  margin: 0 auto; }
  .app-back-home:hover {
    background-color: transparent;
    color: #4190ED; }

#mainnotfound {
  background-color: #f6f6f6;
  position: relative; }

@media (min-width: 767px) {
  #mainnotfound {
    width: 100%;
    background-position: center;
    background-repeat: no-repeat; }
    #mainnotfound .app-bg {
      display: block;
      margin: 0 auto;
      width: 1237px; }
    #mainnotfound .app-back-home {
      width: 250px;
      height: 74px;
      font-size: 30px;
      color: #4190ED;
      line-height: 60px;
      position: absolute;
      left: 50%;
      top: 408px;
      margin-left: -125px; } }