.secret_button {
    margin: auto;
    text-align: center;
    font-size: 20px;
    width: 200px;
    height: 100px;
    color: Black;
    background-color: red;
}

.row{
    display:flex;
    margin: 0px;
}

.instructions{
    border: 2px solid blue;
    margin: 10px 10px 10px 10px;
    min-width: 350px;
    padding: 0px 50px;
    flex:1;
}

.grid{
    flex:0;
    border: 2px solid blue;
    margin: 10px 10px;
}

.granowagering{
    text-align: center;
    font-size: 40px;
    line-height: 0.6em;    
}

.empty{
    min-width: 20px;
    max-width: 20px;
}