.dhtml {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  height: 100vh;
  background: rgba(0, 0, 0, 0.5);
  z-index: 9999;
}

.dhtml .banner {
  height: auto;
  width: 600px;
  position: absolute;
  top: 20%;
  left: 50%;
  margin-left: -300px;
}

.dhtml .banner img {
  width: 100%;
}

.dhtml .banner .close {
  background: #fff;
  width: 41px;
  height: 41px;
  border-radius: 50%;
  position: absolute;
  top: -20px;
  right: -30px;
  text-align: center;
  font-size: 22px;
  padding-top: 10px;
}

.dhtml .banner .goto {
  background: transparent;
  width: 95%;
  height: 100%;
  position: absolute;
  bottom: 0;
  right: 0;
}

@media only screen and (max-width: 600px) {
  .dhtml .banner {
    height: auto;
    width: 80%;
    position: absolute;
    top: 20%;
    left: 50%;
    margin-left: -40%;
  }

  .dhtml .banner img {
    width: 100%;
  }

  .dhtml .banner .close {
    background: #fff;
    width: 30px;
    height: 20px;
    border-radius: 50%;
    position: absolute;
    top: -12px;
    right: -15px;
    text-align: center;
    font-size: 14px;
    padding-top: 10px;
  }

  .dhtml .banner .goto {
    background: transparent;
    width: 95%;
    height: 100%;
    position: absolute;
    bottom: 0;
    right: 0;
  }
}