body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    margin: 0;
    background-color: #000;
    color: #fff;
    font-family: 'Arial', sans-serif;
}

.score-container {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.grid {
	width: 300px;
	height: 300px;
	border: solid #fff 1px;
	display: grid;
	grid-template-columns: repeat(15, 20px);
	gap: 2px;
	flex-wrap: wrap;
	background-color: #111;
}

.grid div {
	width: 20px;
	height: 20px;
}

.invader {
	background: url('alien.png') no-repeat center center;
	background-size: contain;
}

.shooter {
    background: url('space_ship.png') no-repeat center center;
    background-size: contain;
	color: #fff;
}

.laser {
	background-color: orange;
}

.boom {
	background-color: red;
}

.results {
    font-size: 2rem;
    margin-left: 10px;
}

button {
    padding: 10px 20px;
    font-size: 1rem;
    background-color: #444;
    color: #fff;
    border: none;
    cursor: pointer;
}

button:hover {
    background-color: #666;
}

footer {
    margin-top: 30px;
    text-align: center;
}

footer p {
    margin: 10px 0;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
	color: #fff;
}

.social-icons img {
    width: 30px;
    height: 30px;
	
}

.social-icons i {
    font-size: 2rem;
    color: #fff;
    transition: color 0.3s;
}

social-icons i:hover {
    color: #ddd;
}