html, body {
    cursor:crosshair;
}

a{
font-family: 'Times New Roman', Times, serif;
font-style: italic;
color: black;
text-decoration: underline;
}

lien{
    display: block;
    position:fixed;
    bottom: 10px;
    left: 10px;
    margin: 5px;
    border-left: 12px solid black;
    padding-left: 5px;

}

derive{
    display: block;
    padding-bottom: 12px;
    padding-top: 10px;
    margin: 5px;
    margin-right: 75%;
    border-bottom: 1px solid rgb(0, 0, 0);
    line-height: 21px;
}


derive2{
    display: block;
    padding-bottom: 12px;
    margin: 5px;
    margin-right: 75%;
    margin-top: 12px;
    width: 23%;
    height: 200px;
    background-color: black;
}