body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0;
    background-color: #faf8ef;
}

h1 {
    margin: 20px;
    font-size: 2em;
}

#header {
    display: flex;
    justify-content: space-between;
    width: 90%;
    max-width: 400px;
    margin-bottom: 10px;
}

#score-container,
#best-container,
#help-button {
    background-color: #bbada0;
    padding: 5px;
    border-radius: 5px;
    color: white;
    font-weight: bold;
}

#new-game-button,
#toggle-images-button {
    padding: 10px;
    background-color: #8f7a66;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

#game-container-wrapper {
    position: relative;
    width: 90%;
    max-width: 400px;
    aspect-ratio: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #bbada0;
    border-radius: 5px;
}

#game-container {
    width: 100%;
    height: 100%;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(4, 1fr);
    grid-gap: 5px;
    box-sizing: border-box;
    position: absolute;
}

.tile {
    background-color: #eee4da;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 5px;
    font-size: calc(24px + 1vw);
    font-weight: bold;
    color: #776e65;
    position: absolute;
    transition: all 0.2s ease;
}

.tile img {
    /* display: none; */
}

.tile-2 {
    background-color: #eee4da;
}

.tile-4 {
    background-color: #ede0c8;
}

.tile-8 {
    background-color: #f2b179;
    color: #f9f6f2;
}

.tile-16 {
    background-color: #f59563;
    color: #f9f6f2;
}

.tile-32 {
    background-color: #f67c5f;
    color: #f9f6f2;
}

.tile-64 {
    background-color: #f65e3b;
    color: #f9f6f2;
}

.tile-128 {
    background-color: #edcf72;
    color: #f9f6f2;
}

.tile-256 {
    background-color: #edcc61;
    color: #f9f6f2;
}

.tile-512 {
    background-color: #edc850;
    color: #f9f6f2;
}

.tile-1024 {
    background-color: #edc53f;
    color: #f9f6f2;
}

.tile-2048 {
    background-color: #edc22e;
    color: #f9f6f2;
}

#modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.4);
    display: flex;
    justify-content: center;
    align-items: center;
}

#modal-content {
    background-color: #fefefe;
    padding: 20px;
    border: 1px solid #888;
    width: 90%;
    max-width: 300px;
    text-align: center;
    border-radius: 5px;
}

#close {
    color: red;
    float: right;
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
}

#close:hover,
#close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

#size-input {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 10px;
}

#grid-size {
    margin: 10px 0;
    padding: 5px;
}

#start-button {
    padding: 10px;
    background-color: #8f7a66;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.border-tile {
    border: 2px solid rgb(22, 21, 21);
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    display: flex;
    justify-content: center;
    align-items: center;
    background: transparent;
}

#help_img    {
display: none;
width: 380px;

}