body
{
background: #1e768e;
}

h1 { 
font-size: 4em;
color:black;
text-align:center;
background-color: white;
}

h2 {
font-size: 2em;	
color: black;
text-align:center;
}

h3 {
font-size: 1.5em;	
margin-top: 5vh;
margin-left: 2vh;
}

hr {
color:white;
}

.posimage
{
width: 26%;
display:block;
margin-right:auto;
margin-left:auto;
}

.Image2
{
width: 13%;
display:block;
margin-right:auto;
margin-left:auto;
}

.Image3
{
width: 55%;
display:block;
margin-right:auto;
margin-left:auto;
}

.Image4
{
width: 34%;
display:block;
margin-right:auto;
margin-left:auto;
}

nav {
text-align: center;
}

nav.menu-nav ul li.btn{
	display: inline-block;
	list-style-type: none;
}

nav.menu-nav ul li.btn a{
	padding: 7px;
	font-size: 20px;
	color: white;
	background-color: #225462;
	text-decoration: none;
}

nav.menu-nav ul li.btn:hover a{
	background-color: #1A434C
}

p {
font-size: 1.2em;
}

a
{
color: white;
}

section {
	display: flex;
	flex-direction: row;
	justify-content: space-between;
	margin-bottom: 12vh;
}

align {
	margin-top: 12vh;
}

table {
background-color: white;
margin-top: 13vh;
margin-bottom: 15vh;
}


#bloc_page
{
background: #136479;
display: flex;
flex-direction: column;
font-size: 1.5em;
}

#ex {
margin-top: 5vh;
margin-bottom: 5vh;
}