body{
    text-align: center;
    
}   

.btn {
    height: 200px;
    width: 200px;
    border-radius: 20%;
    border: 5px solid black;
    margin: 2.5rem;  
}

.container{
    /* margin: 200PX; */
    display: flex; 
    justify-content: center;
    
}
.red{
    background-color: red;
}
.yellow{
    background-color: yellow;
}
.green{
    background-color: yellowgreen;
}
.orange{
        background-color: orange;
}
.flash{
    background-color: white;
}

.userflash{
    background-color: green;
}