body {
    font-family: Arial, sans-serif;
    text-align: center;
}

h1 {
    margin-bottom: 20px;
}

#puzzle-container {
    margin-top: 20px;
    display: inline-block;
}

#hints-container {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
}

#hints-container > div {
    margin: 0 20px;
}

table {
    border-collapse: collapse;
    margin: 0 auto;
}

td {
    width: 40px;
    height: 40px;
    text-align: center;
    vertical-align: middle;
    border: 1px solid black;
}

td input {
    width: 100%;
    height: 100%;
    text-align: center;
    font-size: 1.5rem;
    border: none;
    outline: none;
}

td.black {
    background-color: black;
}

#words-container {
    margin-top: 20px;
}