body{
    text-align: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin-top: 10px;
}
#mybtn{
    padding: 10px  30px;
    border: none;
    border-radius: 10px;
    background-color:violet ;
    color: black;
    font-size: 1.2rem;
}
.btn{
    height: 180px;
    width: 180px;
    border-radius: 20%;
    border: 5px solid black;
    margin: 1rem;
}
.container{
 display: flex;
 justify-content: center;
}
h2{
    margin-top: -10px;
}
h3{
    margin-top: -10px;
}
.yellow{
    background-color: #f99b45;
}
.red{
    background-color: #d95980;
}
.green{
    background-color:  #63aac0;
}
.purple{
    background-color:rgba(192, 34, 192, 0.784);
}
.flash{
    background-color: white;
}
.userflash{
    background-color: green;
}