* {
    margin: 0;
    padding: 0;
}

html,
body {
    width: 100%;
    height: 100%;
    background: #222;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.wrapper {
    background-size: 100% 100%;
    margin: 50px auto;
    position: relative;
    border: 1px solid #f40;
}

.square {
    cursor: pointer;
    position: absolute;
    width: 80px;
    height: 80px;
    background-size: cover;
}

.leader-board {
    color: rgba(255, 0, 0, 1);
}

.leader-board-wrapper {
    display: none;
    background-size: 100% 100%;
    margin: 50px auto;
    position: relative;
    border: 1px solid #f40;
}