html { 
  background-image: url(image/bg4.jpg);	background-size: cover; /* version standardisée */
	-webkit-background-size: cover;
	-moz-background-size: cover;
	-o-background-size: cover;
	background-position: center center;
	background-repeat: no-repeat;
	background-attachment: fixed;
	height:100%;
	min-height:100%;
	width: 100%;
}

nav{
	width:100%;
	background-color:#25383B;
	padding: 1px 0 1px 0;
}

.nav_pages{
	background-color:rgba(37,56,59,0.7);
	font-style:italic;
}

nav ul{
	display:block;
	text-align:center;
	vertical-align:center:
}

nav li{
	display:inline-block;
	margin: 8px 40px 8px 0px;
	list-style-type:none;
}

nav li:before{
	content:none;
}

nav li a{
	color:#42AF4D;
	text-decoration:none;
}

nav li a:hover{
	color:#fff;
}

header{
	text-align:center;
}

header h1{
	color:#fff;
	font-weight:100;
	text-shadow:0px 0px 5px rgba(66,175,77,0.5);
}

.header_home h1{
	font-size:5.8em;
	margin:10% 0 0 0;
}

.header_pages h1{
	font-size:4.2em;
	margin:5% 0 5% 0;
}

.header_home h2{
	color:#fff;
	font-size:1.2em;
	font-weight:800;
	padding:15px 30px 15px 30px;
	background-color:rgba(66,175,77,0.8);
	display:inline-block;
	margin-bottom:15%;
}

.div{
	text-align:center;
	background-color: rgba(255,255,255,0.8);
	margin-bottom:10%;
}

article{
	max-width:900px;
	vertical-align:top;
	padding:20px 40px 40px 40px;
	text-align:justify;
	color: #353535;
}

@media all and (max-device-width: 900px){
	article{
		padding:20px 10px 40px 10px;
	}
}

.article_hover:hover{
	color:white;
	background-color: rgba(66,175,77,0.5);
}
.article_hover:active{
	color:white;
	background-color: rgba(66,175,77,0.8);
}

.article_hover:hover h2{
	color:white;
}

.article_image{
	padding:20px;
	vertical-align:bottom;
}

.article_footer{
	color:#fff;
}

article h2{
	color:#25383B;
	font-size:1.6em;
	font-weight:100;
	text-transform:uppercase;
}

article h3{
	color:#25383B;
	font-size:1.3em;
	font-weight:100;
	text-transform:uppercase;
	font-style:italic;
}

.article_footer h2{
	color:#fff;
}

.article_footer h3{
	color:#fff;
	font-size:1.3em;
	font-weight:400;
}

footer{
	max-width:70%;
	background-color:#25383B;
	padding:40px 10% 40px 20%;
	color:white;
}

a{
	text-decoration:none;
	color:#3c9765;
}

a:hover{
	color:#42AF4D;
}

li{
	list-style-type:none;
	margin-bottom:4px;
}

li ul{
	margin-bottom:6px;
}

li:before{
	content: "- ";
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    padding-top: 30px; height: 0; overflow: hidden;
}
 
.video-container iframe,
.video-container object,
.video-container embed {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

form{
	width:95%;
}

input, textarea{
	width:100%;
	padding:10px;
	background-color:rgba(255,255,255,0.7);
	border:1px solid #3c9765;
}

input[type=submit]:hover {
	background-color:#3c9765;
}

.vertical{
	transform: rotate(-90deg);
	transform-origin: top-left;
}

.tr_drone{
	background-color:rgba(170,107,107,0.2);
}

.tr_photo{
	background-color:rgba(113,107,170,0.2);
}

.tr_ortho{
	background-color:rgba(107,146,170,0.2);
}

.tr_video{
	background-color:rgba(107,170,121,0.2);
}

.acteur{
	display:inline-block;
	align:center;
	text-align:center;
	margin-right:10px;
}