arsenetar.github.io/theme/sass/voltaicideas/pelican-red/_pygments.scss

.codehilite{
    font-size: emCalc(14px);
    padding: emCalc(7px);
    background-color: lighten($secondary-color, 8%);
    border: 1px solid $secondary-color;
    font-family: 'Source Code Pro', 'Consolas', Monaco, monospace;
    overflow: auto;
    margin-bottom: emCalc(16px);
    pre{
        tab-size: 4;
        white-space: pre;
        font-family: inherit;
    }
}

div.codehilitewrapper{
    overflow-x: auto;
    overflow-y: hidden;
    border: 1px solid $secondary-color;
    margin-bottom: 1.25em;
    table.codehilitetable{
        margin: 0;
        border: none;
    }

}

table.codehilitetable{
    td{ font-size: 1em; }
    width: 100%;
    .linenos{
        width: emCalc(30px);
        padding: 0;
        .linenodiv{
            padding: emCalc(7px);
            overflow: auto;
            font-family: 'Source Code Pro', 'Consolas', Monaco, monospace;
            pre{
                font-family: inherit;
            } 
        }
    }
    .code{
        padding: 0;
        .codehilite{
            border-bottom: none;
            border-top: none;
            border-right: none;
            margin: 0;
        }
    }
}