.hidden {
    opacity:0;
    margin-top: 9px;
}

body {
    background-color:black;
    background-image:url('meera-mayon.1.jpg');
    background-size:cover;
}

.title {
    font-family:Helvetica Neue, Arial, Sans;
    text-align:center;
    color: 00D8FF; 
    font-size: 150%;
    padding-top: 100px;
    margin-bottom: 10px;
}

.subtitle {
    font-family:Helvetica Neue Light, Arial, Sans;
    text-align:center;
    color:#888;
    font-size: 90%;
    margin-bottom: 30px;
}

.songtitle{
    text-align:center;
    font-size:110%;
    color:#444;
    margin: 5px;
}

h1 {
    font-size: 120%;
    font-weight: bold;
}

table {
    margin-left:auto;
    margin-right:auto;
    width:900px;
    margin:auto;
    font-size:25px;
    color:00D8FF;
}

#main {
    margin:auto;
    width: 1000px;
    height: 400px;
    overflow:auto;
    text-align:center;
}

#btn {
    width: 210px;
    height: 50px;
    color: teal;
    background: #222;
    border-radius:10px;
    z-index: 100;
    
    font-size: 24px;
    font-family: Helvetica Neue Light,Helvetica,Sans;
    margin: 20px;
}

.btn-clicked {
    disabled:true;
    opacity: 0.1;
    transition: opacity 1s ease;
}