body {
width: 100%;
text-align: center;
}

a {
text-decoration: none;
}

.pub_rect {
position: absolute;
width: 728px;
height: 90px;
left: 280px;
top: 10px;
}

.forum {
position: absolute;
border-style: solid;
border-width: thin;
border-color: black;
width: 300px;
height: 283px;
left: 780px;
top: 250px;
}

.recherche {
position: absolute;
border-style: solid;
border-width: thin;
border-color: black;
width: 820px;
height: 100px;
left: 260px;
top: 120px;
text-align: center;
}

.logo {
position: absolute;
width: 220px;
height: 120px;
left: 10px;
top: 10px;
}

.pub_carre {
position: absolute;
width: 300px;
height: 250px;
left: 780px;
top: 550px;
}

.articles {
position: absolute;
width: 500px;
height: 536px;
left: 260px;
top: 250px;
}

.copyrights {
position: absolute;
width: 600px;
height: 20px;
left: 400px;
top: 810px;
text-align: center;
color: gray;
font-style: italic;
}

.bloc {
height: 50px;
}

.main {
position: relative;
margin: 0 auto 0 auto;
width: 1100px;
height: 830px;
border-style: solid;
border-width: thin;
border-color: black;
}