@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@500&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@500;700&display=swap');
body {
    background: #000000;
    background: linear-gradient(to right, #000000, #434343);
    color: white;
}

main {
    margin-left: 10vw;
    margin-right: 10vw;
}

.presentation {
    margin: auto;
}

.presentation img {
    display: block;
    margin-right: auto;
    margin-left: auto;
    width: 200px;
    height: 200px;
}

.presentation blockquote {
    color: white;
    text-align: center;
}

.courbe {
    width: 100%;
    height: 536px;
    overflow: hidden;
}

nav {
    background-color: white;
    text-align: center;
    display: block;
    position: sticky;
    margin-right: auto;
    margin-left: auto;
    top: 0;
    width: 70%;
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
    margin-bottom: 80px;
}

nav a {
    vertical-align: text-top;
    text-align: center;
    display: inline-block;
    padding-left: 50px;
    padding-right: 50px;
    padding-top: 10px;
    /* Partie Texte */
    text-decoration: none;
    color: black;
    font-family: 'Montserrat', sans-serif;
}

nav a img {
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-right: auto;
    margin-left: auto;
    transform: scale(4);
}

nav a img:hover {
    transform: scale(5);
}

h1 {
    text-align: center;
    font-family: 'Montserrat', sans-serif;
}

footer {
    background-color: white;
    text-align: center;
    clear: both;
    margin-top: 40px;
}

p {
    font-family: 'Montserrat', sans-serif;
    margin-right: 1vw;
    font-size: 1.3em;
    margin-left: 1vw;
}

.zoom {
    transition: transform .2s;
    /* Animation */
}

.zoom:hover {
    transform: scale(1.2);
    /* (150% zoom - Note: if the zoom is too large, it will go outside of the viewport) */
}

nav a:hover,
nav a a:hover {
    color: #f7931a;
}

.transac {
    margin-left: auto;
    margin-right: auto;
    display: block;
}

a {
    color: #f7931a;
    text-decoration: none;
}

div {
    overflow: hidden;
}

@media screen and (max-width:1300px) {
    nav a.zoom {
        display: none;
    }
    body {
        width: 100%;
    }
}

@media screen and (max-width:1050px) {
    nav a.zoom {
        display: none
    }
}