.background {
height: auto;
width: auto;
background-image: url("images/backgroundf.jpg");
background-repeat: no-repeat;
background-position: left bottom;
}

.main {
height: 600px;
width: 1000px;
margin-left: auto;
margin-right: auto;
}

.header {
height: 223px;
width: 1000px;
margin: auto;
}

.logo {
height: 208px;
width: 119px;
background-image: url("images/logof.png");
display: inline-block;
}

.layout {

width: 1000px;
height: 1000px;
margin-left: 1px;
margin-bottom: 1px; 
}

.gtmenu {
height: 123px;
width: 777px;
display: inline-block;
vertical-align: top;
}

.gt {
font-size: 80px;
}

.gt th {
padding-left: 50px;
}

.menu {
height: 65px;
font-size: 30px;
color: #000000;
}

.menu th a {
padding-left: 80px;
color: #000;
}

.content {
width: 1000px;
height: auto;
text-inline: center;
}

.line {
margin: auto;
width: 700px;
border-bottom: 1px solid black;
margin-top: 10px;
}

.about {
width: 600px;
margin: 0 auto;
font-size: 20px;
padding: 50px;
}

.offert {
width: 600px;
margin: 0 auto;
font-size: 20px;
padding: 50px;
}

.offert ul {
list-style-type: circle;
}

.contact {
width: 600px;
margin: 0 auto;
font-size: 20px;
padding: 50px;
}