body {
    background-color: #000000;
    color: #00ff00;
    font-family: 'Courier New', monospace;
    margin: 0;
    padding: 0;
    overflow: hidden;
}

.crt {
    position: relative;
    width: 100vw;
    height: 100vh;
    background: #000000;
    border: 2px solid #00ff00;
    box-shadow: 0 0 40px rgba(0, 255, 0, 0.4);
}

.header {
    background: #001100;
    padding: 15px;
    text-align: center;
    font-size: 1.4em;
    border-bottom: 2px solid #00ff00;
    text-shadow: 0 0 10px #00ff00;
}

.content {
    padding: 40px;
    text-align: center;
    font-size: 1.3em;
}