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

header{
    height: 70px;
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    left: 0;
    background: #dfd8d8;
    padding: 20px;

}

.logo{
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;

}
.logo .class-a{
    display: flex;
    width: 60%;
}
.logo .class-b{
    align-items: flex-end;
    justify-content: flex-end;
    display: flex;
    width: 40%;
}


.logo .logo-2,.logo .logo-2{
    height: 100%;
    display: flex;
    margin-left: 20px;
}
.logo img{
    height: auto;
    width: 80px;
}
.logo .class-b img{
    height: auto;
    width: 35px;
}


.main-screen{
    width: 100%;
    height:calc(100vh - 70px);
    background: url(../images/music\ logo\ design\ \(Poster\ \(Portrait\)\ \(42\ ×\ 59.4\ cm\)\).png);
    background-size: contain;
    background-position:left; 
}

.radio-player{
    width: 350px;
    margin: auto;
    position: fixed;
    left: 50%;
    bottom: 10%;
    transform: translate(-50%,-10%);
}

.copyright{
    width: 100%;
    color: #dfd8d8;
    font-family: Arial, Helvetica, sans-serif;
    align-items: flex-end;
    position: fixed;
    bottom: 20px;
    text-align: center;
    left: 50%;
    transform: translate(-50%,0);

}
.player-section{
    width: 100%;
    height: 100px;
    background: #dfd8d8;
    transition: 1s;
    display: flex;
    justify-content: space-evenly;
    border-radius: 20px;

}

.controls{
    position: relative;
    width: 100%;
    margin: auto;
    padding: 0 12.5px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 60px;
}
.controls span{
    display: block;
    opacity: .7;
    transition: 1s;
    width: 40px;
    height: 40px;
}
.controls img{
    width: 40px;
    height: 40px;
}

.player-section .controls{
    justify-content: space-between;
} 

.player-section.controls span{
    display: block;
    opacity: .5;
}
.player-section .controls span img{
    width: 25px;
}
.player-section .controls span.active{
    opacity: 1;
}

.controls .main img{
    margin: 0 15px;
    display: none;
}
.controls .main img.active{
    display: inline;
}

.volume-slider{
    -webkit-appearance: none;
    width: 150px;
    height: 20px;
    position: absolute;
    right: -60px;
    bottom: 110px;
    transform: rotate(-90deg);
    border-radius  : 20px;
    background: #056158;
    overflow: hidden;
    opacity: 0;
    display: none;
}
.volume-slider::-webkit-slider-thumb{
    -webkit-appearance: none;
    height: 21px;
    width: 10px;
    background:#1ad7ab;
    box-shadow: -200px 0 1px 200px #057248;
}

.volume-slider.active{
    opacity: 1;
    display: block;
}
.music-seek-bar{
    -webkit-appearance: none;
    width: 95%;
    position: absolute;
    top: 0;
    height: 18px;
    left: 50%;
    transform: translate(-50%,0);
    border-radius: 6px;
    background-color: #2e2441;
    overflow: hidden;
}

.music-seek-bar::-webkit-slider-thumb{
    -webkit-appearance: none;
    height: 18px;
    width: 15px;
    background: #1ad7ab;
    cursor: pointer;
    box-shadow: -400px 0 0 400px #057248;
}
.music-player-section.active .music-seek-bar{
    position: relative;
    display: block;
    border-radius: 45px;
    margin: auto;
}



@media (max-width:600px) {
    .main-screen{
        background-position:center; 
        background: url(../images/music\ logo\ design\ \(Poster\ \(Portrait\)\ \(42\ ×\ 59.4\ cm\)\).png);
        height:calc(100vh - 70px);
        background-size: contain;
    }
    .logo .class-a{
        display: flex;
        width: 60%;
    }
    .logo .class-b{
        align-items: flex-end;
        justify-content: flex-end;
        display: flex;
        width: 40%;
    }
    
    
    .logo .logo-2,.logo .logo-2{
        height: 100%;
        display: flex;
        margin-left: 20px;
    }
    .logo img{
        height: auto;
        width: 80px;
    }
    .logo .class-b img{
        height: auto;
        width: 35px;
    }
}