body {
    font-family: Jua;
    text-align: center;
    background-color: #dff6ff;
}

h1 {
    margin-top: 20px;
    font-size: 50px;
}

h3 {
    font-family: poppins;
}

.button-letter {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
    justify-content: center;
    align-items: center;
    width: fit-content;
    margin: 20px auto;
}

.letter-btn {
    font-size: 50px;
    font-family: Jua;
    width: 90px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: none;
    color: white;
    border-radius: 5px;
    transition: 0.3s;
}

.asl-icon {
    width: 50px;
    height: 90px;
    width: 100px;
}

.letterpopup {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.letter-content {
    background: white;
    width: 300px;
    margin: 10% auto;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    position: relative;
    font-family: poppins;
}

.close {
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 24px;
    cursor: pointer;
}

#popup-image {
    width: 200px;
    height: 200px;
}



body.dark-mode {
    background-color: #1a1a1a;
    color: #ffffff;
}

#dark-mode-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
    padding: 10px 20px;
    cursor: pointer;
    border: none;
    background: #007bff;
    color: white;
    font-size: 16px;
    border-radius: 5px;
    transition: 0.3s;
}

#dark-mode-toggle:hover {
    background: #0056b3;
}




.dark-mode .button-letter:hover {
    background-color: #e68900;
}


.dark-mode .letter-btn {
    background-color: #333;
    color: white;
}

.dark-mode .letter-btn:hover {
    background-color: #555;
}