body {
text-align: center;
}

.btn {
    height: 200px;
    width:200px;
    border: 10px solid black;
    border-radius: 20%;
    margin: 2.5rem;
}

.btn-container {
       display: flex;
       justify-content: center;
}
.red {
    background-color:#d95980;
}

.yellow {
    background-color: #f99b45;
}

.green {
    background-color:#63aac0 ;
}

.purple {
    background-color:purple ;
}

.flash {
    background-color: white;
}

.userFlash {
    background-color: green;;
}