custom.css

.highlight .o {
    color: #CCC;
}

.highlight .ow {
    color: #B641FF;
    font-weight: bold;
}

.highlight .mi {
    color: #CCC;
}

.highlight .kn {
    color: #00F347;
    font-weight: bold;
}

.highlight .nn {
    color: #00D1F3;
    font-weight: bold;
}

.highlight .nf {
    color: #00d1f3;
}

.highlight .nb {
    color: #00F347;
}

.highlight .ow {
    color: #FF23E5;
    font-weight: bold;
}

pre {
    word-break: break-all;
    word-wrap: break-word;
    color: #CCC;
}

.highlight .s {
    color: #FB3434;
}

.highlight .k {
    color: #0F0;
    font-weight: bold;
}

div.cell.code_cell { /* area that contains code + output */
    background: #fff;
    font-size: 1.2em;
}

div.input_area { /* box around box with code */
    border: none;
    background: #000;
    font-size: 1.2em;
}