body {
    background-color: #000;
    color: #4ade80;
}
/* Estilo retrô anos 80 */
.crt::after {
    content: " ";
    display: block;
    position: fixed;
    top: 0; left: 0; bottom: 0; right: 0;
    background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.06), rgba(0, 255, 0, 0.02), rgba(0, 0, 255, 0.06));
    z-index: 99999;
    background-size: 100% 2px, 3px 100%;
    pointer-events: none;
}