table {
    border: 1px solid #000000;
    border-collapse: collapse;
    text-align: center;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
    width: 300px;
    margin: 50px;
}

caption {
    border: 1px solid #000000;
    border-bottom: 0px;
    font-weight: 800;
    font-size: 20px;
}

.day {
    font-weight: 800;
    font-size: 20px;
}

td {
    border: 1px solid #000000;
        font-size: 20px;
}

.red__data {
    color: #ff0000;
}