body {
    background-color: #2B2B2B;
    font-family:Arial, Helvetica, sans-serif;

    display: flex; 
    flex-direction: column; 
    align-items: center; 
}

header {
    color: white;
    text-align: center;
    margin: 25px;
}

header p.title {
    font-size: 65px;
    margin-top: 0px;
    margin-bottom: -10px;
}

table {
    margin-top: 40px;
}

table, td {
    border-collapse: collapse;
    border: 4px solid;
    border-color: white;
}

td {
    text-align: center;
    border: 3px solid;
    width: 50px;
    height: 50px;
    font-size: 35px;
    color: white;
}

td.bleu {
    background-color: #0077C7; 
}

td.jaune {
    background-color: #0077C7; 
    padding: 0px;
    background-image: radial-gradient(circle, #ffbd00 70%, transparent 61%);
}

td.rouge {
    background-color: red; 
}

keyboard table {
    border-collapse: separate;
    margin-top: 60px;
    border-spacing: 5px;
    border-color: rgba(255, 255, 255, 0);
}

keyboard table td.letter {
    font-size: 25px;
    user-select: none;
    width: 36px;
    border: 2px solid rgb(255, 255, 255);
    border-radius: 12px;
}

keyboard table td.letter:hover {
    background-color: rgb(90, 90, 90);
}

keyboard table td.letter:active {
    background-color: rgb(127, 127, 127);
}

keyboard table td.vide {
    width: 36px;
    border: 0px solid rgba(255, 255, 255, 0);
}

button {
    margin-top: 20px;
}