html {
    background-color: rgb(200, 199, 201);
    
}

body {
    size: A4; 
    margin:30mm; 
    background-color: white;
    border-radius: 5%;
    padding: 20px;
    border-style: double; 
}


nav {
    display : block; 
    margin : 0 auto; 
    padding: 5px;
    border : 2px solid black; 
    text-align: center;
    border-right: 0cap;
    border-left: 0cap ;
    font-variant: small-caps;
    font-size: 20px;
}

.header {
    display : block; 
    margin: 0 auto;
    padding : 20 px; 
    border: 120 px solid black; 
}

.banner-aside {
    margin: 10px;
    padding : 10px; 
    border: 2px solid black;
}

.main-banner {
    margin: 10px; 
}


.Travaux {
    padding: 10px;
    border : 4px solid black; 
    margin: 20px;
    width: 25%;
    display: inline-block;
    padding-right: 40px;
}

.table {
    margin: auto; 
    font-size: 15pt;
}

table{
    margin : auto; 
}