body,html{
    margin: 0;
    padding: 0;
    font-size: 16px;
    color: #FCFCFC;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
}

.mainBox{
    max-width: 600px;
    width: 100%;
    position: relative;
}

.bg{
    max-width: 600px;
}

.textBox{
    position: absolute;
    display: flex;
    flex-direction: column;
    width: 100%;
    justify-content: center;
}

.textBox div{
    text-align: center;
}

#invitationCode{
    display: inline-block;
    color: #F0398A;
}

.submitBox{
    width: 90%;
}

.warningBox{
    margin-top: 10px;
    font-size: 16px;
}

.submitBox {
    position: fixed;
    /* top: 0px; */
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
}

.btn {
    width: 100%;
    height: auto;
    animation-name: scaleDraw; /* 关键帧名称 */
	animation-timing-function: ease-in-out; /* 动画的速度曲线 */
	animation-iteration-count: infinite; /* 动画播放的次数 */
	animation-duration: 3s; /* 动画所花费的时间 */
}

@keyframes scaleDraw {
    /* 定义关键帧、scaleDrew是需要绑定到选择器的关键帧名称 */
    0% {
      transform: scale(1); /* 开始为原始大小 */
    }
    25% {
      transform: scale(1.1); /* 放大1.1倍 */
    }
    50% {
      transform: scale(1);
    }
    75% {
      transform: scale(1.1);
    }
}


.finger{
    width: 50px;
    position: absolute;
    right: 5%;
    animation: keyname 1.5s infinite;
    -webkit-animation: keyname 1.5s infinite;
}

@keyframes keyname{
    0%{
        transform: translateY(30px);
    }
    50%{
        transform: translateY(0px);
    }
    100%{
        transform: translateY(30px);
    }
}