/* background setup */
.background {
    background-repeat:no-repeat;
    /* custom background-position */
    background-position:50% 50%;
    /* ie8- graceful degradation */
    background-position:50% 50%\9 !important;
}

/* fullscreen setup */
html, body {
    /* give this to all tags from html to .fullscreen */
    height:100%;
}

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

a:hover{
    color: wheat;
}

.fullscreen,
.content-a {
    width:100%;
    min-height:100%;
}
.not-fullscreen,
.not-fullscreen .content-a,
.fullscreen.not-overflow,
.fullscreen.not-overflow .content-a {
    height:100%;
    overflow:hidden;
}

/* content centering styles */
.content-a {
    display:table;
    background-color: rgba(0,0,0,.65);
}
.content-b {
    display:table-cell;
    position:relative;
    vertical-align:middle;
    text-align:center;
}

/* visual styles */
body{
    margin:0;
    font-family:sans-serif;
    font-size:20px;
    line-height:100px;
    color:#ffffff;
    text-align:center;
}
section {
    background:#9ed100;
}
.not-fullscreen {
    height:50%;
}

.centered{
    position: absolute;
    height: 100%;
}

.bottom{
    position: fixed;
    bottom: 0;
    width: 100%;
}

.footer{
    line-height: 1.5;
    font-size: x-small;
}

.btn {
  margin-top: 15px;
  margin-bottom: 15px;
  background: #3498db;
  background-image: -webkit-linear-gradient(top, #3498db, #2980b9);
  background-image: -moz-linear-gradient(top, #3498db, #2980b9);
  background-image: -ms-linear-gradient(top, #3498db, #2980b9);
  background-image: -o-linear-gradient(top, #3498db, #2980b9);
  background-image: linear-gradient(to bottom, #3498db, #2980b9);
  -webkit-border-radius: 28;
  -moz-border-radius: 28;
  border-radius: 28px;
  font-family: Arial;
  color: #ffffff;
  font-size: 20px;
  padding: 10px 20px 10px 20px;
  text-decoration: none;
}

.btn:hover {
  background: #3cb0fd;
  background-image: -webkit-linear-gradient(top, #3cb0fd, #3498db);
  background-image: -moz-linear-gradient(top, #3cb0fd, #3498db);
  background-image: -ms-linear-gradient(top, #3cb0fd, #3498db);
  background-image: -o-linear-gradient(top, #3cb0fd, #3498db);
  background-image: linear-gradient(to bottom, #3cb0fd, #3498db);
  text-decoration: none;
}

.publication{
    height: 75%;
    position: absolute;
    top: 20%;
    width: 90%;
    margin-left: 5%;
    margin-right: 5%;
}

.logo{
    padding-top: 15px;
}