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: .9rem;
    height: .9rem
}

.topTitle {
    margin-left: 10px;
    font-size: .40rem;
    font-weight: 600;
    color: #e9967f
}

.topbtn {
    position: absolute;
    align-items: center;
    right: 20px;
    width: 1.7rem;
    height: .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);
    }
}