html , body{
    height: 100%;
    width: 100%;
    /*只显示一屏页面*/
    /*overflow: hidden;*/
}
#app {
    position: relative;
    max-width: 720px;
    height: 100%;
    min-height: 6.5rem;
    margin: 0 auto;
    background: -webkit-linear-gradient(90deg, #B995FB, #9E77E7);
    top: -8px;
    left: -8px;
    z-index: 0;
}

.container {
    background-image: url('../img/bg.png');
    background-size: 100% auto;
    background-position: top;
    background-repeat: no-repeat;
    display: flex;
    justify-content: space-around;
    flex-direction: column;
    align-items: center;
    padding: 75% 0 25%;

}

.download-btn {
    width: 2.75rem;
    height: 0.7rem;
    background-size: 100%;
    background-repeat: no-repeat;
    background-position: center;
    display: block;
    background-image: url('../img/download_btn.png');
    border: none;
    background-color: rgba(0,0,0,0);
}
.spacing {
    height: 1.6rem;
}
.spacing1 {
    height: 0.5rem;
}
/*.download-btn:active {*/
/*    position: relative;*/
/*    top: 1px;*/
/*    transform: scale(0.8, 0.8);*/
/*    -webkit-transform: scale(0.8, 0.8);*/
/*    -o-transform: scale(0.8, 0.8);*/
/*    -ms-transform: scale(0.8, 0.8);*/
/*}*/

.describe-text{
    width: 90%;
    height: 0rem;
    background-size: 100%;
    background-repeat: no-repeat;
    background-position: center;
    display: block;
    font-size: 18px;
    text-align: center;
    font-weight: bold;
    font-family: Rubik-Regular;
    color: white;
}

@font-face {
    font-family: Rubik-Regular;
    src: url("../font/Rubik-Regular.ttf");
}

@font-face {
    font-family: Rubik-Medium;
    src: url("../font/Rubik-Medium.ttf");
}


* {
    box-sizing: border-box;
}