body {
    background: linear-gradient(rgba(255, 255, 255, 0.5), rgba(255, 255, 255, 0.5)),
    url("/images/cloud-toulouse/background.png");
    background-attachment: fixed;
    background-size: cover;
}

h1 {
    font-family: 'Segoe UI', system-ui, sans-serif;
}

.bulle {
    width: 200px;
    height: 200px;
    object-fit: contain;
    display: block;
    margin: 20px;
}

.bulles {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    justify-items: center;
    align-items: center;
    margin: 0 auto;
    max-width: 90%;
}

header {
    text-align: center;
    margin: 5%;
}

@media screen and (max-width: 768px) {
    header {
        margin: 5%;
    }

    .bulle {
        width: 90%;
        height: auto;
        position: relative;
    }

    .bulles {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(2, 1fr);
        gap: 0px 0px;
        justify-items: center;
        align-items: center;
        margin-top: 30%;
    }
}

@media screen and (min-width: 768px) {

    .bulle {
        position: relative;
    }

    .bulles {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(2, 1fr);
        gap: 0px 0px;
        justify-items: center;
        align-items: center;
        margin-left: 10%;
        margin-right: 10%;
    }
}