.navbar 
{

    background: linear-gradient(rgb(0, 50,255),rgb(0, 50,255));
    margin-bottom: 1em !important; 

}
a.navbar-brand , a.nav-link
{
    color:#fff !important;
    background: linear-gradient(rgb(0, 50,255),rgb(0, 50,255)) !important;


}
.bouton1
{
    display : block;
    color: #fff;
    text-align: center;
    padding-top:1em;
    background: linear-gradient(rgb(0, 50,255),rgb(0, 50,255))
}
.bouton1:hover
{

    background: linear-gradient(rgb(0, 50,255),rgb(0, 50,255))
}


.pordego
{
    /* background: linear-gradient(#0c356b, #3268af);*/
    background-image: url("https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fwww.10wallpaper.com%2Fwallpaper%2F1920x1080%2F1409%2FBeautiful_Colors_Of_Nature-Desktop_Wallpaper_1920x1080.jpg&f=1&nofb=1&ipt=bf37c03e0449792f8ddcbf64fd57720305ac7de39261131a0d3369e4669870da");
    margin-top:-1em;
}
 
.pied
{
   background: linear-gradient(rgb(0, 50,255),rgb(0, 50,255))

}