* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html,
body {
    height: 100%;
}
.desktop {
    display: none;
}
.mobile {
    display: block;
}
.wrap-body {
    max-width: 480px;
    width: 100%;
    margin: 0 auto;
    margin: 0 auto;
    height: auto;
    min-height: 100%;
    background-color: #171823;
}

a {
    text-decoration: none;
    color: #ffffff;
}

.header {
    max-width: 480px;
    width: 100%;
    position: relative;
}

.header img {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 5.2rem;
    width: 100%;
}

img {
    vertical-align: top;
}

.header-img {
    position: absolute;
    top: 0;
}

.header-img img {
    height: 7rem;
    width: unset;
}

.abab {
    position: absolute;
    right: 1rem;
    top: .5rem;
}

.abab img {
    width: 2.5rem;
    height: 2.5rem;
}

.small-images {
    display: flex;
    max-width: 480px;
    width: 100%;
    text-align: center;
    justify-content: center;
    color: #ffffff;
    margin: .5rem auto;
    padding-top: 5.2rem;
}

.small-images img {
    height: 2rem;
}

.nav {
    display: flex;
    align-items: center;
    background-color: rgb(63 11 11);
    padding: .5rem 1rem;
    border-radius: .5rem;
}

.nav span {
    margin-left: .2rem;
    font-size: .8rem;
}

.nav img {
    width: 1rem;
    height: 1rem;
}

.active {
    background-color: red;
}

#big-image {
    max-width: 480px;
    width: 100%;
    text-align: center;
    transition: all 15s;
}

#big-image img {
    width: 95%;
}

.footer-area {
    position: fixed;
    max-width: 480px;
    bottom: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(23, 24, 35, 0.6);
    backdrop-filter: blur(5px);
    border-radius: 1.6rem;
    padding: .8rem;
}

.footer-area img {
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
}

.l-1 img {
    height: 4rem;
    width: unset;
}

.l-2 img {
    height: 3.5rem;
    margin-left: .5rem;
    width: unset;
}

.btn {
    position: relative;
}

.btn img {
    height: 2rem;
    width: unset;
}

.download {
    position: absolute;
    top: 0;
    right: .2rem;
}


.set-up-tip {
    text-align: center;
}

.set-up-tip img {
    height: 3vw;
    width: unset;
}

.email {
    padding-bottom: 7rem;
}

.overlay {
    position: fixed;
    width: 100%;
    height: 100vh;
    top: 0;
    left: 0;
    display: none;
    background-color: rgba(0, 0, 0, .8);
    z-index: 1000;
}

.popup {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    left: 50%;
    width: 100%;
    text-align: center;
}
.desc {
    text-align: center;
    position: relative;
}

.desc img{
    width: 80%;
}

.link-btn{
    position: absolute;
    bottom: 1rem;
    left: 50%;
    margin-left: -4.4rem;
}

.link-btn img{
    width: 8.8rem;
    height: 2.1rem;
}

.close {
    text-align: center;
}
.close img {
    width: 12%;
    padding-bottom: 1.5rem;
}

.popup__h2 {
    text-align: center;
}

@media screen and (max-width: 480px) {
    .header-img img {
        height: 5.5rem;
    }

    .abab img {
        width: 2rem !important;
        height: 2rem !important;
    }

    .l-1 img {
        height: 3rem;
    }

    .l-2 img {
        height: 2.5rem;
    }

    .btn img {
        height: 2rem;
    }

    .nav {
        padding: .3rem .7rem;
    }

    .nav span {
        margin-left: .2rem;
        font-size: .7rem;
    }
}

@media screen and (max-width: 320px) {
    .header-img img {
        height: 4.5rem;
    }

    .abab img {
        width: 1.3rem !important;
        height: 1.3rem !important;
    }

    .nav span {
        margin-left: .2rem;
        font-size: .6rem;
    }

    .l-2 img {
        height: 1.8rem;
    }
}