.lien{
 display: inline-flex;
 margin-left: 100px;
 margin-top: -30px;
 padding: 17px;

}
.baye{
    margin-left: 400px;
    margin-top: -39px;
}
.b{
    position: fixed;
    background-color: sandybrown;
}
.paragraphe{
    margin-left:-400px ;
    font-size: 23px;
    margin-top: 10px;
}
.h1{
    margin-left: -290px;
    margin-top: 70px;
}
.h3{
    margin-left: -190px; 
    margin-top: -60px;
    color: red;
}
.h2{
    margin-left: 100px;
    font-size: 50px;
    text-decoration: underline;
}
.trait{
    border: 2px solid gray;
    height: 90vh;
    width: 90%;
    margin-left: 80px;
}
.Telecharger{
 margin-left: -370px; 
 font-size: 30px; 
 text-decoration: none;
border: 2px solid gray;
border-radius: 40% 40% 40% 40%;
background-color: white;
}