@media screen and (max-width: 1200px) {
    header {
        width: 95%;
        transition: .5s linear;
    }

    header .menu_side,
    .song_side {
        width: 30%;
    }

    header .song_side {
        width: 70%;
    }

    header .song_side .content {
        height: 18%;
    }
    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 .menu_side h6 {
        position: absolute;
        right: -40px;
        bottom: 10px;
        width: 40px;
        height: 40px;
        background: #041c5d;
        border-radius: 0px 10px 10px 0px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 18px;
        cursor: pointer;
        transition: 1s linear;
    }

}
@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: 99999999999999999999;
    }
    header .master_play .icon {
      
        position: absolute;
        top: -46px;
        right: 30%;
    }
    header .master_play .icon::before{
        content: '';
        position: absolute;
        width: 200px;
        height: 180px;
        background: #111727;
        z-index: -1;border-radius: 50% 50% 0% 0%;
        left: -20%;
        box-shadow: 0px -11px 20px -17px #000;
    }
    header .master_play  .wave {
       
        position: absolute;
        top: -90px;
        width: 40px;
        height: 40px;
        right: 40%;
    }
    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 .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;
        
    }
    header .song_side nav .search {
        
        width: 140px;
       
    }
    header .song_side nav ul li {
       
        margin-right: 7px;
    }
    header .song_side .popular_song {
        margin-top: 60px;
    }
    header .master_play  .wave {
        right: 45%;
    }
    header .menu_side {
        width: 80%;
    }
}