@font-face {
    font-family: Helvetica;
    src:
        local("Helvetica"), local("HelveticaLTStd-Roman"),
        local("HelveticaNeue"), local("Helvetica Neue");
    font-style: normal;
}
@font-face {
    font-family: Helvetica;
    src:
        local("Helvetica Bold"), local("Helvetica-Bold"),
        local("HelveticaLTStd-Bold"), local("HelveticaNeue-Bold");
    font-weight: bold;
    font-style: normal;
}
@font-face {
    font-family: Helvetica;
    src:
        local("Helvetica Oblique"), local("Helvetica-Oblique"),
        local("HelveticaLTStd-Oblique"), local("HelveticaNeue-Italic");
    font-style: italic;
}
@font-face {
    font-family: Helvetica;
    src:
        local("Helvetica Bold Oblique"), local("Helvetica-BoldOblique"),
        local("HelveticaLTStd-BoldOblique"), local("HelveticaNeue-BoldItalic");
    font-weight: bold;
    font-style: italic;
}