body {
  background: transparent;
}
.back_img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.lyl .show {
  position: relative;
  width: 74.5%;
  height: 20%;
  left: 0.2%;
  cursor: pointer;
  margin: 30.8% auto 0;
}
.back_img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}
.inp_box {
  width: 100%;
  height: 30%;
}
.inp_box input {
  height: 100%;
  width: 4.5%;
  font-size: 1.875vw;
  color: #231815;
  border: none;
  background: transparent;
  text-align: center;
}
.game_btn_group {
  margin-top: 3%;
}
.game_btn_group .gameBox_btn {
  margin-right: 0;
}