* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    height: 100vh;
    width: 100%;
    background-color: #b8b8b8;
    display: flex;
    align-items: center;
    justify-content: center;
}

.box-container {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    border: 2px solid gray;
}

.boxes {
    display: flex;
    align-items: center;
    justify-content: center;
}

.box {
    border: 1px solid gray;
    background-color: #303030;
    height: 80px;
    width: 80px;
    transition: 0.2s ease;
}