body{
    background-color: black;
}
#coba{
    text-align: center;
    color: red;
    background-color: gray;
    border: 5px solid green;
    font-size: 60px;
}
#coba1{
    text-align: center;
    color: cyan;
    background-color: green;
    border: 6px groove cyan;
    font-size: 60px;
}