.Welcome{
    text-align:center; 
    background:red; 
    color:rgb(246, 255, 0); 
    font-size:60px;
}
article{
    background-color:cornflowerblue;
}
.introduce{
    color:yellow;
    text-align:center;
    font-size:35px;
}
.d1{
    text-align:center; 
    font-size:40px; 
    padding:25px; 
    color:coral; 
    background-color:gold; 
    border:2px solid black;
}
.music{
    font-size:30px;
    border-radius: 40px;

}
.school:hover{
    background-color: rgb(185, 23, 23);
}