html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}
body{
    background: linear-gradient(135deg, rgb(63, 63, 63),black);
    font-family: arial;
    color: whitesmoke;
}
.hautdepage, main{
        font-variant: small-caps;
}
.hautdepage h1{
    display: flex;
    justify-content: center;
}
.hautdepage p{
    display: flex;
    justify-content: center;
}
nav{
    border: 1px solid whitesmoke;
    border-radius: 5px;
    background-color: #000000;
    padding: 10px 20px 10px 20px;
}
.navbutton{
    flex: 1;
    border: 2px solid white;
    background-color: black;
    border-radius: 4px;
    padding: 7px;
    text-decoration: none;
    color:white;
}
.navbutton:hover{
    background-color: rgb(121, 121, 121);
}