/* The only bit you need */
.highcontrastWhiteBlack
{
    background-color: #000 !important;
    color: #fff !important;
    a, a:visited { color: #fff !important;  }
}

.highcontrastBlackWhite
{
    background-color: #fff !important;
    color: #000 !important;
    a, a:visited { color: #000 !important;  }
}

.highcontrastYellowBlack
{
    background-color: #ff0 !important;
    color: #000 !important;
a, a:visited { color: #000 !important;  }
}

.highcontrastBlackYellow
{
    background-color: #000 !important;
    color: #ff0 !important;
a, a:visited { color: #ff0 !important;  }
}

.fontHighContrast{
    margin-top:40px;
    margin-right: 5px;
}

.styleHighContrast{
    margin-top:30px;
    margin-right: 5px;
}

.fontDefaultWhite{
    display:none;
}
.fontBiggerWhite{
    display:none;
}
.fontBigWhite{
    display:none;
}