body {
     font-family: 'Helvetica Neue', helvetica;
     font-size:14px;
     margin: 0;
     padding: 0;
     color:#434343;
 }
 body * {
     box-sizing: border-box;
 }
 .heading {
    width: 900px;
    margin:0px auto 28px auto;
    padding-top: 28px;
    text-align: center;
 }
 .heading h1{ 
     font-size: 50px;
    line-height: 53px;
    margin: 0;
 }
 
 .xt-image-feat {
     height: 538px;
     margin:28px auto 0 auto;
     position: relative;
     overflow: hidden
 }
 .xt-image-feat img {
     position: absolute;
     top:0;
    width: 95%;
    left: 2.5%;
 }
 .article {
     width: 75%;
     margin: auto;
     padding:40px 60px 15px 60px;
 }
 .chapo {
     font-size: 24px;
     line-height: 30px;
    margin-bottom: 42px;
    padding-bottom: 28px;
    border-bottom: 1px solid #dfdfdf;
 }
 .paragraphe {
     font-size: 18px;
    line-height: 27px;
    text-align: justify;
 }
 .intertitre {
     font-size: 24px;
    font-weight: 700;
    margin: 30px 0;
    text-align: left !important;
 }
 
 .article-header {
    width: 75%;
    margin: auto;
    padding: 40px 60px 15px 60px;
 }
 
 .twitter-wrapper, 
 .youtube-wrapper, 
 .dailymotion-wrapper, 
 .facebook-wrapper, 
 .instagram-wrapper, 
 .youscribe-wrapper {
     width: 75%;
    margin: auto;
    text-align:center;
 }
 
 .article-header h1{ 
     font-size: 50px;
    line-height: 53px;
    margin: 0;
    text-align:center;
 }
 
 .article-header .article-date{ 
     color:#999;
    text-align:center;
 }
 #myVideo > object {
     width:100%;
 }
 
 .article .a-footer {
     margin-bottom: 28px;
     text-align: right
 }
 .article .a-footer p{
     font-weight: bold;
 }
 .xt-image {
    position: relative;
}
.xt-image img{
     width:100%;   
}
.xt-image .xt-overlay {
    position: absolute;
    width: 100%;
    background-color: rgba(0,0,0,.4);
    bottom: 0;
    padding: 10px;
    color: #FFF;
}