.extension{
    max-width: 1400px;
    margin: 20px auto;
    text-align: center;
}

.extension-header{
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 20px; 
    gap: 10px;
}

.extension-logo-title {
    display: flex;
    align-items: center;
    gap: 12px;
}

.extension-logo{
    width: 60px;
    height: auto;
}

.extension-title{
    margin: 0;
    font-size: 40px;
}

.extension-description{
    font-size: 16px;
    color: white;
    text-align: center;
    margin: 5px 0 0 0;
}

.extension-content{
    display: grid;
    grid-template-columns: repeat(3, auto) auto;
    gap: 75px;
    justify-content: center; 
    align-items: start;
    position: relative;
}

.extension-column {
    display: grid;
    grid-template-columns: repeat(3, 1fr); 
    gap: 5px;
    justify-items: center; 
    align-items: center;
}

.extension-column > :nth-child(3n+4) {
    grid-column: 1 / -1;
    justify-self: center;
}

.extension-column img{
    width: 100%;
    border-radius: 0;
}

.button-download{
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    width: auto;
    height: auto;
    border-radius: 8px;
    transition: background-color 0.3s;
    cursor: pointer;
    flex: 0 0 auto;
    padding : 1rem;
}

button.button-download {
    background-color: transparent;
    border: none;
}

.button-download a {
    text-decoration: none;
    padding: 0.6rem;
    background-color: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
}

.button-download {
    color: #fff;
    font-family: Arial;
    font-size: 1.2rem;
    text-align: center;
    margin: auto;
}

.button-download img {
    width: 50px; 
    height: auto;
    border: 1px solid #fff;
}

.button-download span {
    font-size: 1.2rem;
    color: #fff;
    text-align: center; 
}

.button-download img:hover {
    transform: scale(1.1);
    transition: transform 0.3s; 
}

.card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    width: 75px;
    height: 75px;
}

.card img {
    width: 40px;
    height: auto;
    border-radius: 0;
    display: block;
    margin: 0 auto;
}

.card-caption {
    font-size: 12px;
    color: white;
    text-align: center;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
    text-wrap: wrap;
    word-wrap: break-word;
    padding: 0 2px;
}

@media (max-width: 600px){
    .extension,
    .extension-header,
    .extension-description,
    .extension-column,
    .card-caption {
        padding-left: 1rem;
        padding-right: 1rem;
        box-sizing: border-box;
    }
    
    .button-download {
        width: 95%;
        padding: 0.6rem;
        font-size: 1rem;
        margin: 0.5rem auto;
    }

    .button-download a {
        width: 100%;
        display: flex;
        justify-content: center;
        gap: 0.5rem;
    }

    .button-download img {
        width: 40px;
        height: auto;
        margin: 0;
    }

    .extension-content{
        grid-template-columns: 1fr; 
        gap: 15px; 
    }

    .extension-column {
        display: flex;
        flex-direction: row; 
        flex-wrap: wrap;    
        justify-content: center;
        gap: 0.5rem;
    }

    .card {
        width: 75px;
        height: 75px;
    }
}