body {
    background-image: url("/IMG/fond.jpg") ;
    background-size: cover;
    background-position: relative;
    margin: 0%;
    padding-top: 0%;        
} 

canvas  {
    display: block;
}

#linux {
    position: absolute;
    top: 0;
    left: 0;
    height: 300px;
    z-index: 10;
}

p {
    position: absolute;
    top: 1%;
    left: 20%;
    font-size: 50px ;
    z-index: 10;    
}