:root {
    --primary-color: #2c3e50;
    --secondary-color: #e74c3c;
    --background-color: #ecf0f1;
    --font-color: #34495e;
}

body {
    font-family: sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--background-color);
    background-image: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%239C92AC' fill-opacity='0.1' fill-rule='evenodd'%3E%3Cpath d='M0 40L40 0H20L0 20M40 40V20L20 40'/%3E%3C/g%3E%3C/svg%3E");
}

main {
    background: white;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1), 0 6px 6px rgba(0,0,0,0.15);
    text-align: center;
}

button {
    background-color: var(--secondary-color);
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1.2rem;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-bottom: 1rem;
}

button:hover {
    background-color: #c0392b;
}

lotto-display {
    display: block;
    margin-top: 2rem;
}