* {
    font-family: Helvetica, sans-serif;
    font-size: 0px;
}

p, p span {
    font-size: 24px;
    text-align: center;
}

button {
    width: 96px;
    height: 60px;
    font-size: 20px;
    background-color: #ffffff;
    border: 2px solid #000000;
    margin: 2px;
}

button:hover {
    background-color: #dddddd;
}

.cell {
    display: inline-block;
    vertical-align: middle;
    text-align: center;

    background-color: #dddddd;
    border: 1px solid #000000;
    margin: -1px;
}

/* The Close Button */
.close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.close:hover,
.close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

/* The Modal (background) */
#modal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 1; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgb(0,0,0); /* Fallback color */
    background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
}

/* Modal Content/Box */
#modal-content {
    background-color: #fefefe;
    margin: 10% auto; /* 15% from the top and centered */
    padding: 20px;
    border: 1px solid #888;
    width: 80%; /* Could be more or less, depending on screen size */
}

#myModal p {
    font-size: 14px;
}

#buttons {
    width: 500px;
    height: 66px;
    margin: auto;
}

#board {
    width: 500px;
    margin: auto;
}
#back {
    display: inline-block;
    margin: 8px;
    font-size: 18px;
    color: #000000;
}