body {
    background-color: black;
    color: #39FF14;
    font-family: monospace;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}
.hacker-box {
    border: 2px solid #39FF14;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 0 15px #39FF14;
    text-align: center;
}
.devil { color: red; text-shadow: 0 0 10px red; }
.neon-btn {
    background: transparent;
    border: 1px solid #39FF14;
    color: #39FF14;
    padding: 10px 20px;
    margin-top: 20px;
}