style.css

*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    background-color: #4F6D7A;
    text-align: center;
}
.container{
    height: 70vh;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 5vmin;
    justify-content: center;
    margin-top: 15px;
    align-items: center;
}
.game{
    height: 60vmin;
    width: 60vmin;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 1.5vmin;
}
.box{
    height: 18vmin;
    width: 18vmin;
    border-radius: 1.5rem;
    box-shadow: rgba(0, 0, 0, 0.15) 1.95px 1.95px 2.6px;
    font-size: 8vmin;
    background-color: #DBE9EE;
    color: black;
}
#btn{
    border-radius: 1.1rem;
    background-color: #4A6FA5;
    height: 4rem;
    width: 7rem;
    font-size: 0.9632rem;
    font-weight: 600;
    color: #000000;

}
.hide{
    display: none;
    font-size: x-large;
}