body{
    text-align: center;
    background-color: grey;
    color: white;
}

.container{
    display: flex;
    justify-content: center;
    align-items: center;
    height: 400px;
    width: 400px;
    flex-wrap: wrap;
    margin: 0 auto;
    background-color:  rgb(45, 43, 43) ;
}

.btn{
    height: 150px;
    width: 150px;
    margin: 10px;
    background-color: #f0f0f0;
    border-radius: 10px;
    cursor: pointer;
}

.aqua{
    background-color: aqua;
}
.green{
    background-color: green;
}
.yellow{
    background-color: yellow;
}
.blue{
    background-color: blue;
}

.flash{
    background-color: white;
}

.userFlash{
    background-color: rgb(183, 10, 227);
}

.gameOver{
    background-color: red;
}

b{
    color: greenyellow;
}

.start{
    border-radius: 10px;
    background-color: green;
    color: wheat;
}

.disabled{
    display: none;
}

.rules {
    max-width: 600px;
    margin: 20px auto;
    background-color: rgba(255, 255, 255, 0.1);
    padding: 15px;
    border-radius: 10px;
    text-align: left;
    font-size: 1rem;
}

.rules h3 {
    color: yellow;
    margin-bottom: 10px;
}

.rules ul {
    list-style-type: square;
    padding-left: 20px;
}

.rules li {
    margin-bottom: 8px;
}