body{
    margin: 50px;
    text-align: center;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-size: 1.3em;
}

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

th, td{
    font-size: 1.2em;
    border: 1px solid black;
    padding: 30px;
}

.error{
    color: red;
    font-size: 30px;
    font-weight: bold;
    text-align: center;
}