* {
    box-sizing: border-box;
    /* margin: 0;
    padding: 0; */
}

body {
    background-color: #111;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;

}

.container {
    max-width: 800px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
}

.square {
    background-color: #222;
    box-shadow: 0 0 2px #000;
    margin: 1px;
    width: 16px;
    height: 16px;
    transition: 3s ease;
    color: #00ff1a;
}
.square:hover {
    transition-duration: 0s;
}