html {
  scroll-behavior: smooth;
}

body {
    background: #ffffff;
    font-family: 'Raleway', sans-serif;
    position: relative;
  }


html, body {
     width: 100%;
     overflow-x: hidden;
  }

h1, h2, h3, h4 {
  letter-spacing: 2px;
}

.heading {
  font-weight: bold;
  font-size: 20px;
}
.subheading {
  font-size: 18px;
  padding-bottom: 60px;
  font-weight: bold;
}
.bold {
  font-weight: bold;
}

p {
  line-height: 23px;
  font-size: 17px;
}

a {
  outline: none !important;
}

hr {
  width: 180px;
  border-color: #CCC;
}

.section-title strong {
	color: #00C6D7;
  	font-size: 48px;
}

.section-title h1 {
	font-size: 24px;
}

.section-title {
  padding-bottom: 32px;
}

.medium-icon {
  font-size: 32px !important;
}

#work,#about, #team, 
#publications, #news,
#contact, #advisor, #hiring {
  padding-top: 100px;
  padding-bottom: 100px;
}


/* ==========================================================================
navigation section
========================================================================== */
.custom-navbar {
    background: #4B4B4B;
    margin-bottom: 0;
}
.custom-navbar .navbar-brand  {
  color: #00c6d7;
  font-weight: 600;
  font-size: 24px;
}
.custom-navbar .navbar-brand .navbar-toggle {
    background: #00c6d7;
    padding: 4px 6px;
    font-size: 16px;
    color: #fff;
    }
.custom-navbar .nav li a {
    color: #ffffff;
    font-size: 16px;
    font-weight: 400;
    }
.custom-navbar .nav li a:hover {
  	background: transparent;
   color: #eeeeee;
}
.custom-navbar .nav > li > a:focus {
  background-color: transparent;
  color: #ffffff;
  outline: none;
}
.custom-navbar .nav li.active > a {
      color: #00c6d7;
    }
.custom-navbar .navbar-toggle {
        border: none;
        padding-top: 30px;
    }
.custom-navbar .navbar-toggle .icon-bar {
        background: #00c6d7;
        border-color: transparent;
    }
@media(min-width:768px){
    .custom-navbar {
            background: #4B4B4B;
            padding: 10px;
            border-bottom: 0;
            background: 0 0;
         }
    .custom-navbar.top-nav-collapse {
            padding: 8px;
            background: #4B4B4B;
        }
}


/* ==========================================================================
home section
========================================================================== */
#home {
  background-size: cover;
  background-position: center;
  color: #ffffff;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-align-items: center;
  -ms-flex-align: center;
      align-items: center;
  height: 100vh;
  text-align: center;
}
#home h1 {
  font-size: 40px;
}
#home h3 {
  font-size: 14px;
}
#home hr {
  width: 240px;
}
#home .btn {
  background: transparent;
  border: 4px solid #ffffff;
  border-radius: 0;
  color: #ffffff;
  font-size: 15px;
  font-weight: bold;
  letter-spacing: 2px;
  padding: 12px 42px;
  margin-top: 40px;
  margin-right: 16px;
  transition: all 0.4s ease-in-out;
}
#home .btn:hover {
  background: #00c6d7;
  border-color: transparent;
}
#home .btn-danger {
  background: #00c6d7;
  border-color: transparent;
}
#home .btn-danger:hover {
	border: 4px solid #ffffff;
  	border-radius: 0;
	background: transparent;
  	color: #ffffff;
}

/* ==========================================================================
about section (NONE)
========================================================================== */


/* ==========================================================================
news section
========================================================================== */
#news {
  color: #111111;
}
.nav-tabs {
  margin-top: 20px;
  border-bottom: 1px solid #606060;
}
.nav-tabs > li {
  float: left;
  margin-bottom: -1px;
}
.nav-tabs > li > a {
	display: block;
  	color: #111111;
  	font-size: 16px;
  	padding: 10px 20px;
  	border: 0;
  	border-radius: 0;
}
.nav-tabs > li > a:hover {
  background-color: transparent;
}
.nav-tabs > li.active > a,
.nav-tabs > li.active > a:hover,
.nav-tabs > li.active > a:focus {
  color: #00c6d7;
  cursor: default;
  background-color: transparent;
  border: 1px solid transparent;
  border-bottom-color: transparent;
}
.tab-content {
  padding-bottom: 100px;
  padding-top: 20px;
}

.tab-content a {
	color: #0CC;
}

.tab-content a:hover, .tab-content a:link {
	color: #FF0;
	text-decoration: none;
}

#news p {
  font-size: 16px;
  line-height: 135%;
}

/* ==========================================================================
advisor section
========================================================================== */
#advisor {
  background-color: #f6f6f6;
  text-align: left;
}

/* ==========================================================================
hiring section
========================================================================== */
#hiring {
  background-color: #f6f6f6;
}


/* ==========================================================================
publications section
========================================================================== */
#publications {
  background-color: #ffffff;
  text-align: left;
}
#publications h3 {
  color: #00c6d7;
  font-size: 14px;
  font-weight: bold;
}
#publications .col-md-3 {
  padding-top: 20px;
  padding-bottom: 20px;
}

#publications p {
  font-size: 17px;
  line-height: 135%;
}

#publications img {
  /* width: 100%; */
  transition: all 0.2s ease-in-out;
}
#publications img:hover {
  opacity: 0.5;
}
/* FILTER CSS */
.filter-wrapper {
    width: 100%;
    margin: 40px 0 24px 0;
    overflow: hidden;
    text-align: center;
}
.filter-wrapper li {
    display: inline-block;
    margin: 4px;
}
.filter-wrapper li a {
    color: #999999;
    font-size: 13px;
    font-weight: bold;
    letter-spacing: 2px;
    text-transform: uppercase;
    padding: 8px 17px;
    display: block;
    text-decoration: none;
    transition: all 0.4s ease-in-out;
}
.filter-wrapper li .selected,
.filter-wrapper li a:focus,
.filter-wrapper li a:hover {
    color: #00c6d7;
    outline: none;
  }


/* ISOTOPE BOX CSS */
.iso-box-section {
    width: 100%;
}
.iso-box-wrapper {
    width: 100%;
    padding: 0;
    clear: both;
    position: relative;
}
.iso-box {
    position: relative;
    min-height: 50px;
    float: left;
    overflow: hidden;
    margin-bottom: 20px;
}
.iso-box > a {
    display: block;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.fluid-img {
  width: 100%;
  display: block;
}



/* ==========================================================================
team section
========================================================================== */
#team {
  background-color: #f6f6f6;
  text-align: left;
}
#team h3 {
  color: #00c6d7;
  font-size: 14px;
  font-weight: bold;
}
#team .col-md-3 {
  padding-top: 20px;
  padding-bottom: 20px;
}
#team .team-wrapper {
  overflow: hidden;
  position: relative;
}

/* Circle Avatar Styles */

#team .avatar {
    float: left;
    margin-top: 1em;
    margin-right: 1em;
    position: relative;

    -webkit-border-radius: 50%;
    -moz-border-radius: 50%;
    border-radius: 20%;

    -webkit-box-shadow: 0 0 0 3px #fff, 0 0 0 4px #999, 0 2px 5px 4px rgba(0,0,0,.2);
    -moz-box-shadow: 0 0 0 3px #fff, 0 0 0 4px #999, 0 2px 5px 4px rgba(0,0,0,.2);
    box-shadow: 0 0 0 3px #fff, 0 0 0 4px #999, 0 2px 5px 4px rgba(0,0,0,.2);
}

#team .team-des {
  background-color: rgba(00,00,00,0.6);
  position: absolute;
  color: #ffffff;
  opacity: 0;
  max-width: 500px;
  width: 42%;
  height: 100%;
  text-align: center;
  vertical-align: middle;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  transition: all 0.4s ease-in-out;
  margin: 0 auto;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-justify-content: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-flex-direction: column;
      -ms-flex-direction: column;
          flex-direction: column;
}
#team .team-des:hover {
 opacity: 1;
}
#team img {
  margin: 0 auto;
  width: 120px;
  height: 120px;
  object-fit: cover;
  display: block;
}

#team .social-icon li a {
  color: #fff;
}

#team .social-icon li a:hover {
  color: #00c6d7;
}



/* ==========================================================================
footer section
========================================================================== */
footer {
  text-align: center;
  padding-top: 60px;
  padding-bottom: 60px;
}
footer p {
  padding-top: 20px;
}
.social-icon {
  padding: 0;
  margin: 0;
}
.social-icon li {
  list-style: none;
  display: inline-block;
  padding: 6px;
}
.social-icon li a {
  box-shadow: 0px 2px 8px 0px rgba(50, 50, 50, 0.09);
  color: #808080;
  font-size: 20px;
  width: 56px;
  height: 56px;
  line-height: 60px;
  text-align: center;
  text-decoration: none;
  transition: all 0.4s ease-in-out;
}
.social-icon li a:hover {
  color: #00c6d7;
}

@media screen and (min-width: 992px) {
  @-moz-document url-prefix() {
    #portfolio .col-lg-4,
    #portfolio .col-md-4 {
      width: 33.333%;
    }
  }    
}