#kv.top {
  background: url("../img/IMG_5421.JPG");
  background-size: cover;
  background-position: 100% 30%;
}
#kv.mypage-top {
  background: url("../img/IMG_5422.JPG");
  background-size: cover;
  background-position: 100% 20%;
}
._author {
  position: absolute;
  bottom: 10px;
  color: white;
  right: 18px;
  font-size: 14px;
}