#header {
  position: relative;
}
#header .photo-bnr {
  display: block;
  width: 180px;
  position: absolute;
  right: 260px;
  bottom: 25px;
}
@media screen and (max-width: 767px) {
  #header .photo-bnr {
    width: 85%;
    margin: 25px auto 0;
    position: relative;
    bottom: auto;
    right: auto;
  }
}

#copyright {
  position: relative;
}
#copyright .topic {
  display: block;
  width: 840px;
  position: absolute;
  top: 3px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 11px;
  color: white;
}