.down {
    justify-content:center;position:fixed;left:0;right:0;bottom:92.5px;background-color:#46ACE7;margin-left:auto;margin-right:auto;width:306.5px;height:48.5px;border-radius:25px;display:flex;text-align:center;
}

.btn {
    position: absolute;top:0;left:0;width:100%;height:100%;opacity: 0;
}