body {
    margin: 0px;
    font-family: 'Heebo', sans-serif;
}

.contenu_centrer {
    margin: 0px auto;
    width: 1170px;
}


header nav {

    height: 50px;
    background-color: rgb(255, 255, 255);
    display: flex;
    justify-content: space-between;
}

header .logo {
    display: flex;
    align-items: center;
}
header .logo img {
    width: 120px;

}

header .liens {
    display: flex;
    align-items: center;
}

header .liens a {
    text-decoration: none;
    color: black;
    margin-left: 16px;
}

header .liens a.donate {
    background-color: cornflowerblue;
    color: white;
    border-radius: 5px;
    padding: 5px 10px;
    
}   



main section.entete {
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: #fff;

    position: relative;
    background-image: url("../images/entete.jpg");
    background-size: cover;
    background-position: center;
    height: 600px;
    padding-left: 100px;
}

main section.entete .filtre {
    position: absolute;
    top: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.15);
    z-index: 10;
}

main section.entete * {
    z-index: 20;
}

main section.entete h1 {
    font-size: 64px;
    margin: 0px 0px 10px 0px;
}

main section.entete p {
    margin: 0px;
}

div.bts {
    margin-top: 20px;
}

main section.entete a.bt {
    margin-right: 7px;
    border-radius: 5px;
    border: 1px solid white;
    text-decoration: none;
    padding: 5px 20px;
    font-weight: bold;
}

main section.entete a.download {
    background-color: #fff;
    color: cornflowerblue;
    
}

main section.entete a.new {
    color: white;
    transition: all 0.20;
}

main section.entete a.new:hover {
    background-color: white;
    color: cornflowerblue;
}