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

body{
    font-family: "Roboto", sans-serif;
    width: 100;
    height: 100vh;
    background: #121213;
    display: grid;
    place-items: center;
}

header{
    position: relative;
    width: 85%;
    height: 95%;
    /*border: 1px solid #fff;*/
    display: flex;
    flex-wrap: wrap;
    overflow: hidden;
}

header .menu_side,.song_side{
    width: 25%;
    height: 90%;
    /*border: 1px solid #fff;*/
    background: #111727;
    box-shadow: 5px 0px 2px #090f1f;
    color: #fff;
}

header .song_side{
    width: 75%;
    background: #0b1320;
}

header .master_play{
    width: 100%;
    height: 10%;
    /*border: 1px solid #fff;*/
    background: #111727;
    box-shadow: 0px 3px 8px #090f1f;
}

header .menu_side h1{
    font-size: 20px;
    margin: 15px 0px 0px 20px;
    font-weight: 500;
}

header .menu_side .playlist{
    margin: 40px 0px 0px 20px;
}

header .menu_side .playlist h4{
   font-size: 14px;
   font-weight: 400;
   padding-bottom: 10px;
   color: #4c5262;
   cursor: pointer;
   display: flex;
   align-items: center;
   transition: .3s linear;
}

header .menu_side .playlist h4:hover{
    color: #fff;
}

header .menu_side .playlist h4 span{
    position: relative;
    margin-right: 35px;
} 

header .menu_side .playlist h4 span::before{
    content: '';
    position: absolute;
    width: 4px;
    height: 4px;
    border: 2px solid #4c5262;
    border-radius: 50%;
    top: -4px;
    transition: .3s linear;
} 

header .menu_side .playlist h4:hover span::before{
    border: 2px solid #fff;
} 

header .menu_side .playlist h4 .bi{
    display: none;
}

header .menu_side .playlist .active{
    color: #36e2ec;
}

header .menu_side .playlist .active span{
    display: none;
}

header .menu_side .playlist .active .bi{
   display: flex;
   margin-right: 20px;
}

header .menu_side .menu_song{
   width: 100%;
   height: 420px;
   /*border: 1px solid #fff;*/
   margin-top: 40px;
   overflow: auto;
}

header .menu_side .menu_song::-webkit-scrollbar{
    display: none;
 }

header .menu_side .menu_song li{
    list-style-type: none;
    position: relative;
    padding: 5px 0px 5px 20px;
    display: flex;
    align-items: center;
    margin-bottom: 10px;
    cursor: pointer;
    transition: .3s linear;
 }

 header .menu_side .menu_song li:hover{
    background: rgb(105 ,105 ,105, .1);
 }

 header .menu_side .menu_song li span{
   font-size: 12px;
   font-weight: 600;
   color: #4c5262;
 }

 header .menu_side .menu_song li img{
  width: 32px;
  height: 32px;
  margin-left: 25px;
}


header .menu_side .menu_song li h5{
   font-size: 11px;
   margin-left: 15px;
   width: 170px;
   /*border: 1px solid #fff;*/
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
}

header .menu_side .menu_song li h5 .substitle{
    font-size: 9px;
    color: #4c5262;
}

header .menu_side .menu_song li .bi{
   position: absolute;
   right: 15px;
}

header .master_play{
    display: flex;
    align-items: center;
    padding: 0px 20px;
}

header .master_play .wave{
    width: 30px;
    height: 30px;
    /*border: 1px solid #fff;*/
    padding-bottom: 5px;
    display: flex;
    align-items: flex-end;
    margin-right: 10px;
}

header .master_play .wave .wave1{
    width: 3px;
    height: 10px;
    background: #36e2ec;
    margin-right: 3px;
    border-radius: 10px 10px 0px 0px;
    animation: unset
}

header .master_play .wave .wave1:nth-child(2){
   height: 13px;
   margin-right: 3.5px;
   animation-delay: .4s;
}

header .master_play .wave .wave1:nth-child(3){
    height: 8px;
    animation-delay: .8s;
}

/*javascript classes*/

header .master_play .active1 .wave1{
    animation: wave .5s linear infinite;
}

header .master_play .active1 .wave .wave1:nth-child(2){
    animation-delay: .4s;
 }
 
 header .master_play .active1 .wave .wave1:nth-child(3){
     animation-delay: .8s;
 }


@keyframes wave {
    0%{
        height: 10px;
    }
    50%{
        height: 15px;
    }
    100%{
        height: 10px;
    }
}

header .master_play img{
    width: 35px;
    height: 35px;
}

header .master_play h5{
   width: 130px;
   /*border: 1px solid #fff;*/
   margin-left: 15px;
   color: #fff;
   line-height: 17px;
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
   font-size: 13px;
}

header .master_play h5 .susbtitle{
   font-size: 11px;
   color: #4c5263;
   width: 100%;
   overflow: hidden;
   text-overflow: ellipsis;
   white-space: nowrap;
}

header .master_play .icon{
    font-size: 20px;
    color: #fff;
    margin: 0px 20px 0px 40px;
    outline: none;
    display: flex;
    align-items: center;
} 

header .master_play .icon .bi{
  cursor: pointer;
  outline: none;
} 

header .master_play .icon .shuffle{
   font-size: 17px;
   margin-right: 10px;
   width: 17.5px;
   overflow: hidden;
   display: flex;
   align-items: center;
} 

header .master_play .icon #download_music{
    font-size: 20px;
    margin-left: 10px;
} 

header .master_play .icon .bi:nth-child(3){
   border: 1px solid rgb(105 ,105 ,105, .1);
   border-radius: 50%;
   padding: 1px 5px 0px 7px;
   margin: 0px 5px;
} 

header .master_play span{
   color: #fff;
   width: 32px;
   /*border: 1px solid #fff;*/
   font-size: 11px;
   font-weight: 400;
} 

header .master_play #currentStart{
    margin: 0px 0px 0px 20px;
} 

 header .master_play .bar{
    position: relative;
    width: 43%;
    height: 2px;
    margin: 0px 15px 0px 10px;
    background: rgb(105, 105, 170, .1);
}  

header .master_play .bar .bar2{
    position: absolute;
    background: #36e2ec;
    width: 50%;
    height: 100%;
    top: 0;
    transition: 1s linear;
}  

header .master_play .bar .dot{
    position: absolute;
    width: 5px;
    height: 5px;
    background: #36e2ec;
    border-radius: 50%;
    left: 0%;
    top: -1.5px;
    transition: 1s linear;
}  

header .master_play .bar .dot::before{
    content: '';
    position: absolute;
    width: 15px;
    height: 15px;
    border: 1px solid #36e2ec;
    border-radius: 50%;
    left: -7px;
    top: -6.5px;
    box-shadow: insert 0px 0px 3px #36e2ec;
}

header .master_play .bar input{
   position: absolute;
   width: 100%;
   top: -7px;
   left: 0;
   cursor: pointer;
   z-index: 999999999999999999999999999999;
   opacity: 0;
}


header .master_play .vol{
    position: relative;
    width: 100%;
    height: 2px;
    background: rgb(105, 105 ,170,.1);
    margin-left: 50px;
}

header .master_play .vol .bi{
    position: absolute;
    color: #fff;
    font-size: 25px;
    top: -17px;
    left: -30px;
} 

header .master_play .vol input{
    position: absolute;
    width: 100%;
    top: -10px;
    left: 0;
    cursor: pointer;
    z-index: 99999999999999999999999999;
    opacity: 0;
} 

header .master_play .vol .vol_bar{
    position: absolute;
    background: #36e2ec;
    width: 50%;
    height: 100%;
    top: 0;
    transition: 1s linear;
} 

header .master_play .vol .dot{
    position: absolute;
    width: 5px;
    height: 5px;
    background: #36e2ec;
    border-radius: 50%;
    left: 0%;
    top: -1.5px;
    transition: 1s linear;
} 

header .master_play .vol .dot::before{
    content: '';
    position: absolute;
    width: 15px;
    height: 15px;
    border: 1px solid #36e2ec;
    border-radius: 50%;
    left: -7px;
    top: -6.5px;
    box-shadow: insert 0px 0px 3px #36e2ec;
} 

header .song_side{
    position: relative;
    z-index: 2;
}

 header .song_side::before{
    content: '';
    position: absolute;
    width: 28%;
    height: 300px;
    /* background: url('bg.png'); */
    background-size: cover;
    overflow: hidden;
    z-index: -1;
} 

header .song_side nav{
    width: 905;
    height: 10%;
    /* border: 1px solid #fff; */
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

header .song_side nav{
    width: 905;
    height: 10%;
    /* border: 1px solid #fff; */
    margin: auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}


header .song_side nav ul{
    display: flex; 
}

header .song_side nav ul li{
    list-style: none; 
    position: relative;
    font-size: 13px;
    color: #4c5262;
    margin-right: 25px;
    cursor: pointer;
    transition: .3s linear;
}

header .song_side nav ul li:hover{
    color: #fff;
}

header .song_side nav ul li:nth-child(1){
    color: #fff;
}

header .song_side nav ul li span {
    position: absolute;
    width: 100%;
    height: 2.5px;
    background: #36e2ec;
    bottom: -5px;
    left: 0;
    border-radius: 20px;
}


header .song_side nav .search {
    position: relative;
    width: 40%;
    padding: 1px 10px;
    border-radius: 20px;
    /* border: 1px solid #fff; */
    color: grey;
}

header .song_side nav .search::before {
   content: '';
   position: absolute;
   width: 100%;
   height: 100%;
   background: rgb(184 ,184 ,184, .1);
   border-radius: 20px;
   backdrop-filter: blur(5px);
   z-index: -1;
}

header .song_side nav .search .bi{
    font-size: 13px;
    padding: 3px 0px 0px 10px;
}

header .song_side nav .search input{
   background: none;
   border: none;
   outline: none;
   padding: 0px 10px;
   color: #fff;
   font-size: 12px;
}

header .song_side nav .user{
    position: relative;
    width: 30px;
    height: 30px;
    /* border: 1px solid #fff; */
    border-radius: 50%;
}

header .song_side nav .user img{
   width: 100%;
   height: 100%;
   border-radius: 50%;
   box-shadow: 2px 2px 8px #121213;
}

header .song_side .content{
    width: 90%;
    height: 30%;
    /* border: 1px solid #fff; */
    margin: auto;
    padding-top: 20px;
}

header .song_side .content h1{
  font-size: 20px;
  font-weight: 600;
}

header .song_side .content p{
    font-size: 11px;
    font-weight: 400;
    color: #4c5262;
    margin: 5px;
}

header .song_side .content .buttons{
   margin-top: 15px;
}

header .song_side .content .buttons button{
    width: 130px;
    height: 30px;
    border: 2px solid #36e2ec;
    outline: none;
    border-radius: 20px;
    background: #5adae0;
    color: #fff;
    cursor: pointer;
    transition: .3s linear;
}

header .song_side .content .buttons button:hover{
    background: none;
    color: #36e2ec;
}

header .song_side .content .buttons button:nth-child(2){
    background: none;
    color: #36e2ec;
}

header .song_side .content .buttons button:nth-child(2):hover{
    background: none;
    color: #fff;
}

header .song_side .popular_song{
 width: 90%;
 height: auto;
 margin: auto;
 margin-top: 15px;
 /* border: 1px solid #fff;  */
}

header .song_side .popular_song .h4{
  display: flex;
  align-items: center;
  justify-content: space-between;
}

header .song_side .popular_song .h4 .bi{
    color: #a4a8b4;
    cursor: pointer;
    transition: .3s linear;
}

header .song_side .popular_song .h4 .bi:hover{
    color: #fff;
}

header .song_side .popular_song .pop_song{
    width: 100%;
    height: 150px;
    margin-top: 15px;
    display: flex;
    /* border: 1px solid #fff; */
    overflow: auto;
    scroll-behavior: smooth;
}

header .song_side .popular_song .pop_song::-webkit-scrollbar{
    display: none;
}

header .song_side .popular_song .pop_song li{
   min-width: 100px;
   height: 140px;
   list-style-type: none;
   margin-right: 10px;
   transition: .3s linear;
}

header .song_side .popular_song .pop_song li:hover{
    background: rgb(105, 105 ,170,.1);
}

header .song_side .popular_song .pop_song li .img_play{
   position: relative;
   width: 100px;
   height: 100px;
   display: flex;
   align-items: center;
   justify-content: center;
}

header .song_side .popular_song .pop_song li .img_play img{
  width: 100%;
  height: 100%;
}

header .song_side .popular_song .pop_song li .img_play .bi{
    position: absolute;
    font-size: 20px;
    cursor: pointer;
    transition: .3s linear;
    opacity: 0;
}

header .song_side .popular_song .pop_song li:hover .img_play .bi{
    opacity: 1;
}

header .song_side .popular_song .pop_song li h5{
    padding: 5px 0px 0px 5px;
    line-height: 15px;
    font-size: 10px;
    width: 100px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}

header .song_side .popular_song .pop_song li h5 .subtitle{
    font-size: 9px;
    width: 100px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #4c5262;
}

header .song_side .popular_artists{
    width: 90%;
    height: auto;
    /* border: 1px solid #fff; */
    margin: auto;
    margin-top: 15px;
}

header .song_side .popular_artists .h4{
    display: flex;
    align-items: center;
    justify-content: space-between;
}

header .song_side .popular_artists .h4 .bi{
    color: #a4a8b4;
    cursor: pointer;
    transition: .3s linear;
    overflow-x: scroll;
}

header .song_side .popular_artists .h4 .bi:hover{
    color: #fff
}

header .song_side .popular_artists .item{
    width: 100%;
    height: auto;
    margin-top: 15px;
    display: flex;
    /* border: 1px solid #fff; */
    overflow: auto;
    scroll-behavior: smooth;
}

header .song_side .popular_artists .item::-webkit-scrollbar{
    display: none;
}

header .song_side .popular_artists .item li{
    list-style-type: none;
    position: relative;
    min-width: 60px;
    height: 60px;
    border-radius: 50%;
    margin-right: 20px;
    cursor: pointer;
}

header .song_side .popular_artists .item li img{
   width: 100%;
   height: 100%;
   border-radius: 50%;
}