website/style.css

html {
    background-color: black;
}

h1, h2 {
    color: white;
    text-align: center;
}

menu {
    display: flex;
    flex-wrap: wrap;
    color: white;
    text-align: center;
    padding: 0px;
}
menu a {
    margin-left: auto;
    margin-right: auto;
    padding-left: 1rem;
    padding-right: 1rem;
    padding-bottom: 1rem;
    text-decoration: none;
    color: white;
}

menu a img {
    width: 60px;
    height: 60px;
}
menu a:hover img {
    width: 75px;
    height: 75px;
    transition: 0.1s ease;
}

menu a h3 {
    margin: 0px;
}

nav > img {
    display: none;
}

@media (max-width: 900px) {
    menu {
        display: none;
        position: absolute;
        background-color: black;
        padding: 0.69rem;
        margin-top: 0;
        right: 0;
        z-index: 2;
        text-align: left;
    }
    menu a {
        display: flex;
    }
    menu a img {
        width: 25px;
        height: 25px;
        padding-right: 1rem;
    }
    menu a:hover img {
        width: 25px;
        height: 25px;
        transition: 0;
    }
    nav > img {
        display: block;
        color: red;
        margin: 1rem;
        position: absolute;
        top: 0px;
        right: 0px;
        margin-top: 1.5rem;
        width: 42px;
    }
    h1 {
        padding-right: 50px;
    }
}

#notif {
    position: fixed;
    margin: 1rem;
    padding: 0.5rem;
    right: 0px;
    bottom: 0px;
    background-color: orange;
    text-align: center;
    font-size: 2rem;
}
#notif a {
    text-decoration: none;
    color: black;
    margin-right: 1rem;
}

#notif-close {
    width: 45px;
    float: right;
}