body{margin: 0px; background-color: #e0e0ff;}

p{margin-top: 0em; text-indent: 0em;}

img{border-width: 1px; border-style: solid;}

a{color: inherit;}

#navigation{
margin-top: 4px;
text-align: center;
font-style: italic;
}
#navigation a:visited{color: #747474;}

#retour-h{
margin-bottom: 1em;
margin-top: 1em;
margin-left: 1em;
text-align: left;
font-size: small;
}

#retour-b{
margin-top: 2em;
margin-bottom: 1em;
margin-right: 1em;
text-align: right;
font-size: small;
}

.invalide{text-decoration: line-through;}