table
{
    border-collapse: collapse;
    margin: auto;
}
td
{
    padding: 5px;
}
.red
{
    background-color: red;
}
.gris
{
    background-color: gray;
}
.vert
{
    background-color: green;
}
.blue
{
    background-color: blue;
}
.jaune
{
    background-color: yellow;
}
.mauve
{
    background-color: blueviolet;
}
.pink
{

    background-color: pink;
}
.centre
{
    text-align: center;
}