@media screen and (max-width:1200px) {
    header {
        transition: .5s linear;
    }

    header .menu-side,
    .song-side {
        width: 30%;
    }

    header .song-side {
        width: 70%;
    }

    header .menu-side h6 {
        display: none;
    }
}

@media screen and (max-width:930px) {
    header .menu-side {
        z-index: 999;
        width: 40%;
        position: absolute;
        transition: 1s linear;
        transform: translateX(-100%);
    }

    header .song-side {
        width: 100%;
    }

    header .master-play {
        position: absolute;
        bottom: 0;
    }

    header .song-side .content {
        height: 22%;
    }

    header .menu-side h6 {
        position: absolute;
        right: -80px;
        bottom: 80px;
        width: 40px;
        height: 40px;
        background: #171701;
        border-radius: 0px 10px 10px 0px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        cursor: pointer;
        transition: 1s linear;
        z-index: 99999999999999999;
    }

    header .menu-side h3 {
        position: absolute;
        right: -40px;
        bottom: 80px;
        width: 40px;
        height: 40px;
        background: #171701;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        cursor: pointer;
        transition: 1s linear;
        z-index: 99999999999999999;
    }
}

@media screen and (max-width:680px) {
    header {
        width: 100%;
        height: 100vh;
    }

    header .song-side nav ul li {
        font-size: 11px;
        margin-right: 10px;
    }

    header .song-side nav .search {
        width: auto;
    }

    header .menu-side {
        width: 60%;
    }

    header .master-play {
        z-index: 9999999999999999999999999;
    }

    header .master-play .icon {
        position: absolute;
        top: -46px;
        justify-content: center;
        margin: auto;
        left: 50%;
        transform: translate(-50%, 0);
    }

    header .master-play .icon::before {
        content: '';
        position: absolute;
        width: 200px;
        height: 110px;
        /* background: #111727; */
        z-index: -1;
        border-radius: 50px 50px 0px 0px;
        /* left: -20px; */
        box-shadow: 0px -11px 20px -17px #000;
        background-color: rgb(40, 40, 40);
    }

    header .master-play .wave {
        width: 40px;
        height: 40px;
        position: absolute;
        top: -90px;
        text-align: center;
        margin: auto;
        left: 50%;
        transform: translate(-50%, 0);
        z-index: 99999;
        justify-content: center;
    }

    header .master-play .wave .wave1 {
        width: 8px;
    }
}

@media screen and (max-width:470px) {
    header .song-side nav .search {
        display: flex;
        width: 150px;
        margin-right: 5px;
    }

    header .song-side .content {
        height: 18%;
    }

    header .master-play .wave {
        right: 44%;
    }

    header .menu-side {
        width: 70%;
    }

    header .song-side .popular-song {
        margin-top: 40px;
    }
}

@media screen and (max-width:412px) {
    header .song-side nav ul li {
        font-size: 10px;
        margin-right: 7px;
    }

    header .song-side nav .search {
        width: 140px;
    }

    header .song-side .popular-song {
        margin-top: 60px;
    }

    header .master-play .wave {
        right: 45%;
    }
}