body{
    font-family: Arial, Helvetica, sans-serif;
    background-color: #f4f4f4;
    padding:20px;
    margin:0 auto;

}
header{
background-color: #4caf50;
color : rgb(252, 252, 252);
padding: 20px;
text-align: center;
border-radius: 10px;

}
table{
    background-color: rgb(245, 242, 242);
    border-radius: 10px;
    width: 100%;
}
th,td{
    padding:15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}
th{
    background-color:#4caf50;
    color:white;
    font-weight: bold;
}
.song-item:hover{
background-color: aquamarine;

}

.rank{
    color: #4caf;
    font-size: 20px;
    font-weight: bold;
    text-align: center;
}
footer{
    text-align: center;
    color: #667;
    font-size: 14px;
    margin-top: 30px;
}