.navbar-brand {
  font-weight: bold;  
}

.light-border-right {
  border-right: 1px dotted #444;
}

.muted-link, .muted-link:hover {
  outline:none;
}


.subheading {
  font-size:0.9em;
}


.jumbotron {
  background-image:url('../images/london.jpg');
  background-position: center center;
  background-attachment: fixed;
  background-size: cover;
  background-color: #333;
  color: white;
  text-shadow: 1px 1px #222;
}
  
.jumbotron-heading {
  font-size:5em;
}

.ik-address {
  margin-top: 15px;
  
}
.ik-address > span {
  text-transform: uppercase;
  letter-spacing: 3px;
  font-family: sans-serif;
  font-weight: bold;
  color: white;
}

.lead {
  font-size:1.6em;
}

.jumbotron .btn {
  text-shadow: none;
}

.navbar {
  padding: 0 1rem;
}

.nav-link {
  padding: 10px;  
}

nav {
  background-color: white;
  opacity:0.9;
}

#navbarTogglerDemo01 .nav-link.active {
  border-bottom:2px solid #d15608;
  outline:none;
}

#navbarTogglerDemo01 .nav-link {
  text-transform: uppercase;
  font-size:0.9em;
  font-weight: bold;
  padding: 10px;
  outline:none;
}

#about {
  color: #111;
}

#about img {
 width: 90%;
 display: block;
 margin-left: auto;
 margin-right: auto;
 margin-bottom: 25px;
}

.leading-title {
  color:#d15608;
}

.talk-abstract .leading-title {
  text-transform: uppercase;
  margin-bottom: 15px;
  padding-bottom:10px;
  font-weight: bold;
  border-bottom: 1px solid #ddd;
}


.card-img-top {
  display: block;
  width:65%;
  margin: 20px auto 5px auto;
}

.card-body h6 {
   font-weight: bold;
   text-align :center;
}

.card-body p {
  text-align :center;
  font-size:0.9em;
  
}

.card-body .card-title {
  color: #0162cb;
  font-size:1.1em;
}

.card-body .card-subtitle {
  font-weight:600;
  color:#333;
  font-size:0.9em;
}
.card-body .card-subsubtitle {
  color :#666;
  font-size:0.8em;
  text-transform: uppercase; 
  font-weight:normal;
}


.list-group-item span {
  padding-right: 15px;
  
}
.ik-time {
  color: #777;
  font-size:0.95em;
  text-transform: uppercase;
}

.ik-talk-topic {
  font-weight: bold;
  color: #111;
  font-size: 1.2em;
}

.ik-talk-speaker {
  color :#222;
}

.talk-abstract {
  padding: 2em ;
  border: 1px solid #ccc;
  background-color: #fafafa;
  color: #111;
  
}

@media (max-width: 768px) {
  .list-group-item span {
    display:block;
  
  }

  span.ik-abstract-toggle {
    width: 26%;
    float:right;
  }

.jumbotron-heading {
  font-size:4.2em;
}
}


span.ik-abstract-toggle  {
  padding: 2px 5px 2px 15px;
  color: #111;
  background-color: #fffe99;
}

footer {
  margin-top:50px;
  background-color: #1f2125;
  color :white;
  font-size: 0.85em;
}

footer .affiliation {
  color: #aaa;
  border-left: 1px dotted #666;
  padding-left: 5px;
}

footer .logo {
  font-size:1.5em;
  
}

footer h6 {
  color: #888;
  margin-bottom: 10px;
  border-bottom: 1px dashed #444;
  padding-bottom: 5px;
  font-size:1.1em;
  font-weight: bold;
}

footer ul {
  list-style-type: none;
  padding: 0px;
  margin: 0px;
  color: #eee;
}

footer a{
  color: white;
  text-decoration:none;
  
}