body
{
    margin: 50px;
    background: #ffffff;
}

.font-300
{
    font-family: Helvetica;
    font-size: 50px;
    font-weight: bold;
    color: #000000;
}

.font-res
{
    font-family: Helvetica;
    font-size: 35px;
    font-weight: bold;
    color: #000000;
}

.font-b
{
    font-family: Helvetica;
    font-size: 30px;
    color: #000000;
    text-align: center;
}

.font-w
{
    font-family: Helvetica;
    font-size: 30px;
    color: #ffffff;
}