* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Lucida Sans", "Lucida Sans Regular", "Lucida Grande",
        "Lucida Sans Unicode", Geneva, Verdana, sans-serif;
}

html,
body {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.top {
    background-color: black;
    color: white;
    width: 100%;
    position: fixed;
    top: 0;
    left: 0;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    height: 64px;
}

.board {
    background-color: rgba(94, 94, 94, 0);
    border-spacing: 16px;
    border: none;
    margin-top: 128px;
    margin-bottom: 16px;
}

.cell {
    width: 100px;
    height: 100px;
    background-color: #fff;
    box-shadow: 0 0 16px rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    transition: 250ms;
    cursor: pointer;
    font-size: 30px;
    font-weight: 700;
    text-align: center;
}

.cell:hover {
    transform: scale(1.1);
    border-radius: 16px;
    background-color: rgba(0, 0, 0, 0.2);
}