body{
    text-align: center;
    background-color: grey;
}
.btn{
    height: 200px;
    width: 200px;
    display: inline-block;
    margin: 2.5rem;
    border-radius: 20px;
    box-shadow: 0.5rem 10px 20px black;
    cursor: pointer;
}
.btn{
    margin-top: 50px;
    font-size: 50px;
    font-family: 'Lucida Handwriting', cursive;
}
.btn:hover{
    box-shadow: 0.5rem 10px 20px grey;
}
.red{
    background-color: #d95980;
}
.yellow{
    background-color: #f99b45;
}
.green{
    background-color: #63aac0;
}
.purple{
    background-color: #819ff9;
}
.flash{
    background-color: white;
}
.userFlash{
    background-color: aqua;
}
.btn-red{
    padding: 20px;
}