body {
  width: 100%;
  background: #141415;
}

.main {
  position: relative;
}

.main .pfspr {
  width: 10rem;
}

.main .btn {
  position: absolute;
  width: 6.133333rem;
  height: 1.2rem;
  top: 13rem;
  left: 50%;
  margin-left: -2.933333rem;
}