#tête
{
min-width: 626px;
height: 174px;
background-color:red;
border:solid 1px black;

}
h1{
color:black;
font-family:book antiqua;
}
h2{
color:black;
}
#gauche
{
float: center; 
width:  156px;
height:  800px;
background-color:yellow;
margin-left:  10px;
border:solid 1px red;
}
h3{
color:purple;
font-family:Times New Roman;
}
p{
color:blue;
}
#centre
{
min-width:  750px;
height:  19px;
position: absolute;
margin-right: 177px; 
margin-left: 180px; 
background-color:purple;
border:solid 3px green;
top: 188px;
}
h4{
color:black;
font-family:Times New Roman;
}