html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

/* link formatting */
a:link {
  color: #0a4b78;
  text-decoration: none;
}
a:visited {
  color: #0a4b78;
  text-decoration: none;
}
a:hover {
  color: #0a4b78;
  text-decoration: underline;
}
a:active {
  color: #0a4b78;
  text-decoration: underline;
}


header h1  {
  font-size: 2em;
  color: #5a9160;
  font-style: none;
  font-weight: normal;
  margin-left: 20px;
}

h2  {
  font-size: 1.5em;
  color: #5a9160;
  font-style: none;
  font-weight: normal;
  padding: 10px;
  margin: 0px;
}

h3  {
  font-size: 1.2em;
  color: #5a9160;
  font-style: none;
  font-weight: bold;
  margin-bottom: -1em;
  margin-top: -1em;
}


header {
  position: sticky;
  top: 0;
  background-color: rgb(208, 208, 201);
  /*background-image: url(landscape_3.jpg);*/
  background-size: cover;
  height: 50px;
  box-shadow: 0px 5px 13px 2px #777;
  display: flex;
  justify-content: flex-start;
  align-items: center;
}

header a {
  padding: 20px;
  margin: 20px;
}

header a:hover {
  color: black;
  text-decoration: none;
}

.secondsection {
  box-shadow: 0px 5px 13px 2px #777;
}

div {
  padding: 10px;
}

body {   font-family: Arial; sans-serif;   } 

body {
/*margin-left:2%;
margin-right:2%;
margin-bottom:3%;
margin-top:2%;*/
margin: 0px;
}

.container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.image-container {
  width: 100%; /* or any width */
  height: 300px; /* fixed height */
}
.image-container img {
  width: 95%;
  height: 95%;
  object-fit: contain; /* or 'cover' */
  padding: 10px;
}

.video-container {
    width: 330px;
    background-color: rgb(247, 240, 231);
    box-shadow: 0px 5px 13px 2px #777;
    padding: 30px;
    margin: 10px;
}

.double-video-container {
    width: 750px;
    background-color: rgb(247, 240, 231);
    box-shadow: 0px 5px 13px 2px #777;
    padding: 30px;
    margin: 10px;
}

video {
  width: 320px;
  height: 240px;
}

/* style of publication list */
.publication { 
   font-weight: bold
}

.coauthors {
   font-style: italic
}

.emph { 
   font-weight: bold
}

p {
  padding: 10px;
  margin: 0px;
}
/* spacing between list items */
li {
   margin-bottom: 10px;
}


.desktop-menu {
    display: flex;
}
.hamburger,
.mobile-menu {
    display: none;
}

@media (max-width: 768px) {
  

.video-container {
    width: 230px;
    background-color: rgb(247, 240, 231);
    box-shadow: 0px 5px 13px 2px #777;
    padding: 30px;
    margin: 10px;
}

.double-video-container {
    width: 230px;
    background-color: rgb(247, 240, 231);
    box-shadow: 0px 5px 13px 2px #777;
    padding: 30px;
    margin: 10px;
}

video {
  width: 220px;
  height: 240px;
}

.desktop-menu {
                display: none;
            }
            .hamburger {
                display: block;
                background: none;
                border: none;
                font-size: 24px;
                cursor: pointer;
                padding: 10px;
            }
            .mobile-menu {
                display: none;
                position: absolute;
                top: 60px;
                left: 0;
                width: 100%;
                background: #f8f8f8;
                padding: 10px;
                box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            }
            .mobile-menu ul {
                list-style: none;
                padding: 0;
                margin: 0;
            }
            .mobile-menu li {
                padding: 10px;
                border-bottom: 1px solid #eee;
            }
            .mobile-menu.active {
                display: block;
            }

}