.hiden {
    visibility: hidden;
}

.show {
    visibility: visible;
}

.qr-auth-div,
.img-div,
.big-music-img-box {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
}

.music-title {
    text-align: center;
    color: #0a0a0a;
    font-size: 30px;
}

.music-artist {
    margin-top: 15px;
}

.small-music-img-box {
    position: absolute;
    z-index: 1000;
    margin-top: 30px;
}
.music-text {
    position: absolute;
    top: 30px;
    left: 100%;
    transform: translate(-100%, 0%);
    z-index: 1000;
    text-align: center;
    color: #0a0a0a;
    font-weight: bold;
    font-size: 20px;
    overflow: auto;
}
.music-img {
    width: 100%;
    height: 100%;
}
.music-img-wr {
    width: 100%;
}
.music-box-wr {
    width: 100%;
    height: 100%;
    padding: 30px;
}
.flex-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}
.flex-h100 {
    flex-grow: 1
}