body{
    background-color: black;
    color: white;
}
b{
    text-align: center;
}
a{
    color: rgb(0, 0, 0);
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    font-size: 30px;
    text-decoration: none;
    text-align: center;
    font-weight: bold;
    margin: 10px;
}
div{
    border: solid;
    border-color: gray;
    background-color: white;
    border-radius: 10px;
    width: 500px;
    margin-left: 680px;
}
div:hover{
    background-color: gray;
    transition: 0.2s;
    font-size: 40px;
}