header
{
position: fixed;
left: 0px;
right: 0px;
top: 0px;
height: 100px;
background-color: limegreen;
font-family: Nasalization;
display: flex;
justify-content: space-around;
}
header img
{
position: fixed;
left: 0px;
top: 0px;
}
header a
{
margin: auto;
}

footer
{
position: fixed;
left: 0px;
right: 0px;
bottom: 0px;
height: 100px;
margin: 0px;
background-color: limegreen;
font-family: Nasalization;
}
footer h4
{
margin-top: 40px;
margin-left: auto;
margin-right: auto;
text-align: center;
}
#lien1
{
position: fixed;
left: 300px;
bottom: 40px;
}
#lien2
{
position: fixed;
right: 300px;
bottom: 40px;
}
div
{
height:500px;
width:300px;

}
body
{
background-color:gray;

}
section
{
display:flex;
justify-content:space-around;
flex-direction:column;
}