html, body {
  margin: 0;
  padding: 0;
}

.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 10px;
  text-align: center
}

.bokeh_app {
  margin: 0 auto;
  padding: 0 10px;
  text-align: center
}

.jumbotron {
  background: url(./images/lab_table_resized.jpg) no-repeat center center;
  background-size: cover;
  height: 600px;
  z-index: 0;
}

.jumbo2 {
  background: url(./images/about3a.jpg) no-repeat center top;
  background-size: cover;
  height: 600px;
  z-index: 0;
}

.jumbo-hardware {
  background: url(./images/tinkering.jpg) no-repeat center center;
  background-size: cover;
  height: 600px;
  z-index: 0;
}

.jumbo-software {
  background: url(./images/software.jpg) no-repeat center center;
  background-size: cover;
  height: 600px;
  z-index: 0;
}

.jumbo-popularization {
  background: url(./images/popularization.jpg) no-repeat center center;
  background-size: cover;
  height: 600px;
  z-index: 0;
}

.jumbo-research {
  background: url(./images/research.jpg) no-repeat center center;
  background-size: cover;
  height: 600px;
  z-index: 0;
}

.jumbo-teaching {
  background: url(./images/teaching.png) no-repeat center center;
  background-size: cover;
  height: 600px;
  z-index: 0;
}

.header {
  z-index: 1000;
}

.nav {
  background-color: #333;
  height: auto;
  list-style-type: none;
  margin: 0;
  padding: 6px 0;
  position: fixed;
  left: 0;
  top: 0;
  text-align: center;
  width : 100%;
  z-index: 1000;
}

.nav li {
  color: #fff;
  display: inline-block;
  font-family: 'Raleway', sans-serif;
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  margin: 2px 0px;
  max-width: 800px;
  min-width: 200px;
  z-index: 1000;
}

.nav a{
  background-color: #333;
  color: #fff;
  font-family: 'Raleway', sans-serif;
  font-weight: 600;
  font-size: 18px;
  letter-spacing: 1.3px;
  padding: 8px 10px;
  text-decoration: none;
  text-transform: uppercase;
  height : auto;
  margin : 20;
  z-index: 1000;
}

.main {
  position: relative;
  top: 180px;
  text-align: center;
}

.main h1 {
  color: #fff;
  font-family: 'Raleway', sans-serif;
  font-weight: 600;
  font-size: 70px;
  margin-top: 0;
  margin-bottom: 80px;
  text-transform: uppercase;
  text-shadow: #333300 0 0 10px;
}

.main h2 {
  color: #333;
  font-family: 'Raleway', sans-serif;
  font-weight: 600;
  font-size: 45px;
  margin-top: 0;
  margin-bottom: 80px;
  text-shadow: #ffffff 0 0 10px;
}

.btn-default {
  border: 1px solid #333;
  color: #000;
  font-family: 'Raleway', sans-serif;
  font-weight: 600;
  font-size: 10px;
  letter-spacing: 1.3px;
  padding: 10px 20px;
  text-decoration: none;
  text-transform: uppercase;  
  display: inline-block;
  margin-bottom: 60px;      
}

.supporting {
  padding-top: 80px;
  padding-bottom: 100px;
}

.supporting .col {
  float: left;
  width: 33%;
  font-family: 'Raleway', sans-serif;
  text-align: center;
}

.supporting img {
  height: 32px;
}

.supporting h2 {
  font-weight: 600;
  font-size: 23px;
  text-transform: uppercase;
}

.supporting p {
  font-weight: 400;
  font-size: 14px;
  line-height: 20px;
  padding: 0 50px;
  margin-bottom: 40px;
}


.clearfix {
  clear: both;
}

.footer {
  background-color: #333;
  color: #fff;
  padding: 30px 0;
}

.footer p {
  font-family: 'Raleway', sans-serif;
  text-transform: uppercase;
  font-size: 11px;
}

.ai-researchgate-square {
  color: black;
  transition: 0.2s;
}

.ai-researchgate-square:hover {
  color: #00d0af;
}

.ai-google-scholar-square {
  color: black;
  transition: 0.2s;
}

.ai-google-scholar-square:hover {
  color: blue;
}

.fa-linkedin-square {
  color: black;
  transition: 0.2s;
}

.fa-linkedin-square:hover {
  color: #007bb6;
}

.fa-github {
  color: black;
  transition: 0.2s;
}

.fa-github:hover {
  color: #4183c4;
}

.fa-stack-overflow {
  color: black;
  transition: 0.2s;
}

.fa-stack-overflow:hover {
  color: #fe7a15;
}

.section{
  color: #000011;
}

div.polaroid {
  width: 100%;
  background-color: white;
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2), 0 6px 20px 0 rgba(0, 0, 0, 0.19);
  margin-bottom: 25px;
  margin-top: 25px;
}

div.caption {
  text-align: center;
  padding: 10px 20px;
}