body{
    text-align: center;
}
button{
    height: 60px;
    width: 130px;
    background-color: rgb(0, 0, 0);
    color: white;
    font-size: 26px;
    border-radius: 10px;
}
.dark{
    background-color: blue;
}
.light{
    background-color: aqua;
}