#container {
    box-sizing: border-box;
    width: 640px;
    height: 640px;
    display: flex;
    flex-wrap: wrap;
    box-shadow: 0px 0px 15px black;
    margin: auto;
    background-color: white;
    
}

.square {
    flex: 0 0 40px;
    box-sizing: border-box;
}

body {
    background-color: rgb(235, 235, 211);
    text-align: center;
}

h1 {
    color: rgb(68, 9, 9);
    font-size: 50px;
    background-color: rgb(172, 111, 111);
    margin: 0px;
}

html,body {
    margin: 0;
}

button {
    font-size: 25px;
    border-radius: 5px;
    margin: 10px;
    background-color: rgba(255, 68, 0, 0.589);
    color: rgb(255, 255, 255);
}