.hc-calculator#hc-ag-bw {
    background: #111;
    color: #0f0;
    font-family: 'Courier New', Courier, monospace;
    border: 1px solid #333;
    border-radius: 10px;
    padding: 25px;
}

.hc-calculator#hc-ag-bw h3 {
    color: #0f0;
    text-transform: uppercase;
    border-bottom: 1px solid #0f0;
    padding-bottom: 10px;
}

.hc-bw-res-val {
    font-size: 2em;
    text-shadow: 0 0 10px #0f0;
}

.hc-calculator#hc-ag-bw select, .hc-calculator#hc-ag-bw input {
    background: #222;
    color: #0f0;
    border: 1px solid #0f0;
}

.hc-calculator#hc-ag-bw .hc-btn {
    background: #0f0;
    color: #000;
    font-weight: bold;
}