body {
  font-family: 'Helvetica';
  font-weight: 300;
  color: #333;
  font-size: 19px;
}
h1 {
  font-size: 50px;
  color: #555;
  font-weight: 650;
  text-align: center;
  margin: 0;
  padding: 0;
  margin-top: 50px;
  margin-bottom: 20px;
}
.authors {
  color: #222;
  font-size: 28px;
  font-weight: 300;
  text-align: center;
  margin: 0;
  padding: 0;
  margin-bottom: 10px;
}
.conference {
  color: #555;
  font-size: 26px;
  font-weight: 600;
  text-align: center;
  margin: 0;
  padding: 0;
  margin-bottom: 40px;
}
.logoimg {
  text-align: center;
  margin-bottom: 30px;
}
.container-fluid {
  margin-top: 20px;
  margin-bottom: 20px;
}
.container {
  margin-top: 30px;
}
#footer {
  margin-bottom: 100px;
}
.thumbs {
  -webkit-box-shadow: 1px 1px 3px #999;
  -moz-box-shadow: 1px 1px 3px #999;
  box-shadow: 1px 1px 3px #999;
  margin-bottom: 20px;
}
h2 {
  font-size: 32px;
  font-weight: 900;
  border-bottom: 1px solid #999;
  margin-bottom: 20px;
}
.vertical-align {
  display: flex;
  align-items: center;
}
.vcenter {
  display: inline-block;
  vertical-align: middle;
  float: none;
}