html,body{
    width: 100%;
    height: 100%;
    margin: 0;
    box-sizing: border-box;
}

/*Pour le footer toujours en bas*/
body {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
}
main {
  flex: 1 0 auto;
}
/**/
.navigation{
    box-shadow: 0;
}
.brand-logo{
  margin-left: 0%;
  border:0px solid red;
  padding: 0;
  padding-bottom: 0;
  height: inherit;
 
}
.brand-logo img{
  margin: 0;
  margin-bottom: 0;
  height: inherit;
}
.menu_link{
    display: inline-block;
}
.navi_tab{
    margin-left: 15%;
    margin-right: 0%;
    
}
.navi_tab li{
    font-weight: bold;
}
.log_sign{
    margin-right: 10%;
}
.li_user_view{
    display: inline-block;
    border-bottom: inset 2px red;
   
}

.sign{
    padding:2%;
    width: 80px;
    height: 40px;
    font-size: 15px;
    border: 0;
    border-radius: 5px;
    font-weight: bold;
}
.log_sign li > a{
    font-size: 15px;
    font-weight: bold;
}

/* 
body {
    background: #e6e6e6;
    font-family: "Roboto", sans-serif;
    font-weight: 400;
  }
   */
  /*===== Vertical Timeline =====*/
  #conference-timeline {
    position: relative;
    max-width: 920px;
   float:left;
   margin-top:15px;
 
  }
  #conference-timeline .timeline-start,
  #conference-timeline .timeline-end {
    display: table;
    font-family: "Roboto", sans-serif;
    font-size: 18px;
    font-weight: 900;
    text-transform: uppercase;
    background: #00b0bd;
    padding: 15px 23px;
    color: #fff;
    max-width: 5%;
    width: 100%;
    text-align: center;
    margin: 0 auto;
  }
  #conference-timeline .conference-center-line {
    position: absolute;
    width: 3px;
    height: 100%;
    top: 0;
    left: 50%;
    margin-left: -2px;
    background: #00b0bd;
    z-index: -1;
  }
  #conference-timeline .conference-timeline-content {
    padding-top: 67px;
    padding-bottom: 67px;
  }
  .timeline-article {
    width: 100%;
    height: 100%;
    position: relative;
    overflow: hidden;
    margin: 20px 0;
  }
  .timeline-article .content-left-container,
  .timeline-article .content-right-container {
    max-width: 44%;
    width: 100%;
  }
  .timeline-article .timeline-author {
    display: block;
    font-weight: 400;
    font-size: 14px;
    line-height: 24px;
    color: #242424;
    text-align: right;
  }
  .timeline-article .content-left,
  .timeline-article .content-right {
    position: relative;
    width: auto;
    border: 1px solid #ddd;
    background-color: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,.03);
    padding: 27px 25px;
  }
  .timeline-article p {
    margin: 0 0 0 60px;
    padding: 0;
    font-weight: 400;
    color: #242424;
    font-size: 14px;
    line-height: 24px;
    position: relative;
  }
  .timeline-article p span.article-number {
    position: absolute;
    font-weight: 300;
    font-size: 44px;
    top: 10px;
    left: -60px;
    color: #00b0bd;
  }
  .timeline-article .content-left-container {
    float: left;
  }
  .timeline-article .content-right-container {
    float: right;
  }
  .timeline-article .content-left:before,
  .timeline-article .content-right:before{
    position: absolute;
    top: 20px;
    font-size: 23px;
    font-family: "FontAwesome";
    color: #fff;
  }
  .timeline-article .content-left:before {
    content: "\f0da";
    right: -8px;
  }
  .timeline-article .content-right:before {
    content: "\f0d9";
    left: -8px;
  }
  .timeline-article .meta-date {
    position: absolute;
    top: 0;
    left: 50%;
    width: 62px;
    height: 62px;
    margin-left: -31px;
    color: #fff;
    border-radius: 100%;
    background: #00b0bd;
  }
  .timeline-article .meta-date .date,
  .timeline-article .meta-date .month {
    display: block;
    text-align: center;
    font-weight: 900;
  }
  .timeline-article .meta-date .date {
    font-size: 30px;
    line-height: 40px;
  }
  .timeline-article .meta-date .month {
    font-size: 18px;
    line-height: 10px;
  }
  /*===== // Vertical Timeline =====*/
  
  /*===== Resonsive Vertical Timeline =====*/
  @media only screen and (max-width: 830px) {
    #conference-timeline .timeline-start,
    #conference-timeline .timeline-end {
      margin: 0;
    }
    #conference-timeline .conference-center-line {
      margin-left: 0;
      left: 50px;
    }
    .timeline-article .meta-date {
      margin-left: 0;
      left: 20px;
    }
    .timeline-article .content-left-container,
    .timeline-article .content-right-container {
      max-width: 100%;
      width: auto;
      float: none;
      margin-left: 110px;
      min-height: 53px;
    }
    .timeline-article .content-left-container {
      margin-bottom: 20px;
    }
    .timeline-article .content-left,
    .timeline-article .content-right {
      padding: 10px 25px;
      min-height: 65px;
    }
    .timeline-article .content-left:before {
      content: "\f0d9";
      right: auto;
      left: -8px;
    }
    .timeline-article .content-right:before {
      display: none;
    }
  }
  @media only screen and (max-width: 400px) {
    .timeline-article p {
      margin: 0;
    }
    .timeline-article p span.article-number {
      display: none;
    }
    
  }
