/*Set a font*/
html,h2,h3,h4,h5,h6,a,span,div{
 font-family: "Quicksand", 'Hiragino Sans GB', Tahoma, Helvetica, Arial, sans-serif;
 display:block;
}

h1 {
  font-family: 'Hiragino Sans GB', sans-serif;
  font-weight: 700;
  color: #568e30;
}

h1.text-center {
  font-size: 22px;
  font-weight: 700;
}

a:link, a:visited {
  /* color: #008b96; */
}

/* define navbar appearance */
.navbar{
  background:white;
}

.navbar .navbar-collapse{
  margin:0px 7%;
}

.nav-link,.navbar-brand{
  color: grey;
  cursor: pointer;
  padding:8px;
}

.nav-link{
  margin-right: 1em !important;}

.nav-link:hover, .navbar-brand:hover{
  background-color:#2b441e;
  color: #f4f4f4;
  border-radius: 5px;
}

.navbar-collapse{
  justify-content: flex-end;}

.navbar-toggler{
  /* background:#215772 !important; */
  /* border: solid 1px; */
}

.fa-bars{
  margin-top:5px;
  color:grey;
}

/*header style*/
.header{
 background-image: url("finalCover.jpeg");
 background-attachment: fixed;
 background-size: cover;
 background-position: center;
 text-align: center;
 vertical-align: middle;
 display:block;
}

/* .overlay{
 position: absolute;
 min-height: 110%;
 min-width: 100%;
 left: 0;
 top: 0;
 bottom:0;
 background: rgba(244, 244, 244, 0.60);
} */



.description img {
  width:180px;
  height: auto;
  margin-top: 40px;
}

.about .description h1{
 color:#414042;
 font-weight: bold;
 font-size:150%;
 margin-top: 20px;
}

.about .description p{
 color:#1c1c1c;
 font-size: 16px;
 /* line-height: 1.5; */
 margin: 5px 0;
}

.description h6{
 color:#1c1c1c;
 font-size: 14px;
}

.arrow{
  color: black;
  height: 1000%;
  margin: auto;
}

.description button{
 background:#317191;
 color:#fff;
 font-size:15px;
 margin: 70px 0;
 box-shadow: 2px 2px 4px #383838;
}

.description .btn a{
  color:white;
}

.description .btn a:hover{
  color:#d8d8d8;
  text-decoration: none;
}

/*styling the About section*/
.about{
 margin: 30px 10%;
 /* position: relative; */
}
.about h1{
  margin: 2em 0 1em;
}

.about p{
  margin-top: 10%;
}

.about a{
  display: inline;
  /* color: #1b75bc; */
}

/* news */
.news{
  margin: 0 10%;
}

.news h1{
 margin: 2em 0 1em;
}

.news a{
  display: inline;
}

.responsive {
  width: 100%;
  height: auto;
}


/* papers */
.papers {
 margin: 10px 10%;
 position: relative;
}

.papers h1{
  margin: 2em 0 1em;
}

.papers h4{
 margin: 0px 0px 30px;
 font-weight: bold;
 color: grey;
 font-size: 180%;
}
.papers h5 {
  font-family: 'Hiragino Sans GB', sans-serif;
  font-weight: 700;
  font-size: 15px;
}

.papers h6 {
  font-size: 14px;
}

.paper h8 {
    font-size:16px;
    color:rgb(16, 125, 180);
    font-style: italic;
    font-weight: bolder;  
}

.paper p{
  font-size:15px;
  margin: 0 0 6px;
  /* font-family: 'Hiragino Sans GB', sans-serif; */
}

.paper span, .about span{
  font-family: 'Hiragino Sans GB', sans-serif !important;
  display: inline;
  /* color: red; */
  font-weight: bold;
  font-size: 14px;
}

.papers a{
  display: inline;
}



.btn {
font-family: 'Hiragino Sans GB', sans-serif;
 padding: 2px 4px !important;
 height: 20px !important;
 font-size: 12px !important;
 font-weight: 800 !important;
}

.btn-primary.arxiv{
  background: #dc3545;
  border-color: #dc3545;
}

.btn-primary.circ{
  background: #28A745;
  border-color: #28A745;
}

.btn-primary.github{
  background: #343a40;
  border-color: #343a40;
}


.btn-outline-primary.arxiv{
  border-color: #dc3545;
  color: #dc3545;
}

.btn-outline-primary.circ{
  border-color: #28A745;
  color: #28A745;
}

.btn-outline-primary.github{
  border-color: #343a40;
  color: #343a40;
}

.btn-outline-primary.blog{
  border-color: #00adbb;
  color: #00adbb;
}

.btn-outline-primary.talk{
  border-color: #6a52ab;
  color: #6a52ab;
}

.btn-outline-primary.slides{
    border-color: #0484c9;
    color: #0484c9;
}

/*footer*/
.featurette-divider{
  margin:30px 10% 40px 10%;
}

.footer a{
  color:grey;
  text-decoration: underline;
}

.flex-container{
  margin:30px 10%;
  display:flex;
  justify-content: space-between;
}

.flex-container .footer_link{
  color: #317191;
}