body {
    margin: 0;
    padding: 20px;
    color: rgba(255, 255, 255, 0.87);
    background-color: #000000;
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    overflow-y: auto;
}

#title {
    margin: 0 0 20px 0;
    text-align: center;
    font-size: 3em;
    color: #00ff00;
    text-shadow: 0 0 10px #00ff00;
    flex-shrink: 0;
}

#app {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 30px;
    flex-shrink: 0;
}

#instructions {
    max-width: 800px;
    width: 100%;
    text-align: left;
    background-color: #1a1a1a;
    padding: 20px;
    border-radius: 10px;
    border: 2px solid #333;
    margin-bottom: 30px;
    flex-shrink: 0;
}

#instructions h2 {
    margin-top: 0;
    color: #00ff00;
    text-align: center;
}

#instructions ul {
    list-style-type: none;
    padding-left: 0;
}

#instructions li {
    margin: 10px 0;
    padding-left: 25px;
    position: relative;
}

#instructions li:before {
    content: "→";
    position: absolute;
    left: 0;
    color: #00ff00;
}

#instructions strong {
    color: #ffff00;
}