/* Set background color of the page to #323232 */
body {
    background-color: #323232;
    font-family: 'Open Sans', sans-serif;
    margin: 0;
    color: white;
}

h1 {
    text-align: center;
}

#content {
    margin-top: 300px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

/* Set white border-color and thicker table borders */
table {
    border-collapse: collapse;
    /* Fix typo: should be 'collapse', not 'coll' */
}

td {
    width: 100px;
    height: 100px;
    text-align: center;
    font-size: 36px;
    font-weight: bold;
    cursor: pointer;
}

td:hover {
    background-color: rgba(255, 255, 255, 0.3);
}

table td {
    border: 5px solid white;
}

table tr:first-child td {
    border-top: 0;
}

table tr td:first-child {
    border-left: 0;
}

table tr:last-child td {
    border-bottom: 0;
}

table tr td:last-child {
    border-right: 0;
}

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

.mt-32 {
    margin-top: 32px;
}

button {
    display: block;
    padding: 10px 20px;
    border-radius: 5px;
    border: 2px solid #fff;
    color: #fff;
    background-color: #00B0EF;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
}

button:hover {
    background-color: #96cadd;
}