body {
    background-color: rgb(27, 27, 27);
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    font-family: Arial, sans-serif;
}

.header {
    text-align: center;
    padding: 20px;
    background-color: rgba(0, 0, 0, 0.3);
}

.header h1 {
    color: hsl(180, 80%, 80%);
    margin: 0;
    font-size: 2.5rem;
    text-shadow: 0 0 10px hsl(180, 80%, 80%);
}

.main-content {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

canvas {
    background-color: hsl(0, 0%, 10%);
}

.footer {
    text-align: center;
    padding: 15px;
    background-color: rgba(0, 0, 0, 0.3);
    color: hsl(180, 80%, 80%);
    font-size: 1rem;
}