html {
  font-size: 10px;
}

body {
  margin: 0;
  padding: 0;
  background: #000000;
  font-family: "Microsoft YaHei";
}

#top {
  display: flex;
  align-items: center;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 1.1rem;
  border-bottom: 0.5px solid #984d2d;
  background-color: rgba(68, 12, 47, 0.8);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  z-index: 999;
}

.topIcon {
  margin-left: 20px;
  width: 0.9rem;
  height: 0.9rem;
}

.topTitle {
  margin-left: 10px;
  font-size: 0.4rem;
  font-weight: 600;
  color: #e9967f;
}

.topbtn {
  position: absolute;
  align-items: center;
  right: 20px;
  width: 1.7rem;
  height: 0.7rem;
  background-image: url("../img/rummy-grand-top-btn.png");
  background-size: 100% 100%;
  z-index: 999;
}

.container {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}

.container .downBtn {
  position: absolute;
  top: 75%;
  left: 4.3%;
  width: 90%;
  height: 1.3rem;
  background-image: url("../img/game-3f_btn.png");
  background-size: 100% 100%;
  background-repeat: no-repeat;
  animation: scale-img 0.9s linear infinite alternate;
}

.container .description {
  position: absolute;
  padding: 10px 10px 10px 10px;
  bottom: 0rem;
  background-color: rgba(27, 10, 59, 0.5);
  font-size: 0.25rem;
  text-align: center;
  color: #fcbe44;
}

.container .footer {
  position: absolute;
  background-color: #3a0c31;
  width: 100%;
  height: 0.5rem;
  color: #ffffff;
}

@keyframes scale-img {
  0% {
    transform: scale(1.12);
  }
  50% {
    transform: scale(1);
  }
  100% {
    transform: scale(1);
  }
}
