header{
    display: flex;
    justify-content: space-between;
    align-items: center;

    /*background: rgb(5, 154, 253);*/
    background: #008184;
    /*background: #005f84ea; 
    background: #008184; 
    background-image: linear-gradient(15deg, rgba(2, 133, 138, 0.6), rgba(126, 138, 241, 0.5));*/
    color: rgba(252, 252, 253, 0.9);
    padding: 10px 200px;

}

/*nav:hover {
    color: brown;
}*/

a{
    text-decoration: none;  /*supprime le text souligner*/
    color: inherit;
}

nav{
    list-style: none;   /*supprime le point devant les text*/
    display: flex;
}

li{
    margin: 0px 15px; 
}
@media screen and (max-width: 1000px){
    header{
        flex-direction: column;
        padding: 0px 10px;
    }
}