*
{
    margin: 0;
    padding: 0;
}
body
{
    margin: 0;
    padding: 0;
    text-align: center;
}
tr
{
    border: 1px black solid;
}
td
{
    border: 1px black solid;
}
table, tr, td
{
    border-collapse: collapse;
    line-height: 0;
    margin: auto;
}