body {
    font-family: 'Space Mono', monospace;
    background-color: #f4f4f0;
    color: #111;
    background-image: radial-gradient(#d1d1d1 2px, transparent 2px);
    background-size: 20px 20px;
}
.neo-brutalism {
    background-color: #fff;
    border: 3px solid #000;
    box-shadow: 5px 5px 0px #000;
    transition: transform 0.2s, box-shadow 0.2s;
}
.neo-brutalism:hover {
    transform: translate(-1px, -1px);
    box-shadow: 6px 6px 0px #000;
}
.neo-btn {
    background-color: #ffde00;
    border: 3px solid #000;
    box-shadow: 3px 3px 0px #000;
    font-weight: 700;
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.1s;
}
.neo-btn:active {
    transform: translate(2px, 2px);
    box-shadow: 1px 1px 0px #000;
}
.neo-yellow { background-color: #ffde00; }
.neo-green { background-color: #00e676; }
.neo-dark-green { 
    background-color: #2b7a0b;
    color: #fff;
}
.neo-code {
    background-color: #1a1a1a;
    color: #4ade80;
    border: 3px solid #000;
    font-family: monospace;
    line-height: 1.5;
}