body {
    background-color: #202020;
    color: white;
    font-family: 'Tahoma', sans-serif;
    margin: 0;
    padding: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    box-sizing: border-box;
    overflow: hidden;
}

.lcd-screen {
    background: #000;
    color: #00FF00;
    font-family: 'Courier New', monospace;
    width: 90%;
    padding: 5px;
    margin-bottom: 10px;
    border: 1px solid #555;
    font-size: 12px;
    white-space: nowrap;
    overflow: hidden;
}

.controls {
    display: flex;
    gap: 10px;
}

.btn {
    background: #ECE9D8;
    border: 1px solid white;
    border-right: 1px solid #444;
    border-bottom: 1px solid #444;
    padding: 5px 15px;
    font-size: 11px;
    cursor: pointer;
    font-weight: bold;
    color: black;
}

.btn:active {
    border: 1px solid #444;
    border-right: 1px solid white;
    border-bottom: 1px solid white;
}