* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    background-color: #faf8ef;
}

#game-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: #bbada0;
    padding: 20px;
    border-radius: 10px;
}

h1 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #776e65;
}

#grid-container {
    display: grid;
    grid-template-columns: repeat(4, 100px);
    grid-gap: 10px;
}

.tile {
    width: 100px;
    height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 32px;
    border-radius: 5px;
    background-color: #ccc0b3;
    color: white;
}

.tile-2 { background-color: #eee4da; }
.tile-4 { background-color: #ede0c8; }
.tile-8 { background-color: #f2b179; }
.tile-16 { background-color: #f59563; }
.tile-32 { background-color: #f67c5f; }
.tile-64 { background-color: #f65e3b; }
.tile-128 { background-color: #edcf72; }
.tile-256 { background-color: #edcc61; }
.tile-512 { background-color: #edc850; }
.tile-1024 { background-color: #edc53f; }
.tile-2048 { background-color: #edc22e; }

#restart {
    margin-top: 20px;
    padding: 10px 20px;
    font-size: 18px;
    background-color: #8f7a66;
    border: none;
    border-radius: 5px;
    color: white;
    cursor: pointer;
}

#restart:hover {
    background-color: #7d6a54;
}