* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
  overflow-y: scroll;
  font-size: 12px;
  color: black;
  font-style: normal;

  font-family: Verdana, Arial, Helvetica, sans-serif;
  background-color: white;
}

/* Container for flexboxes */
.main_content {
    display: -webkit-flex;
    display: flex;
}

/* Style the navigation menu */
nav {
  -webkit-flex: 1;
  -ms-flex: 1;
  flex: 1;
  max-width: 200px;
  color: #999999;
  text-align: right;
  vertical-align: top;
  background-color: #1A630D;
}

nav ul {
  margin: 1.5em;
}

nav .nav_section {
  border-bottom: 1px dotted #999999;
  padding-top: 5px;
  padding-right: 0px;
  padding-bottom: 5px;
  padding-left: 0px;
}

nav a, .nav_section_header {
  display: block;
  color: white;
  line-height: 1.6em;
  text-decoration: none;

  padding-top: 1px;
  padding-right: 0px;
  padding-bottom: 1px;
  padding-left: 0px;
}

nav .nav_section_header {
      font-weight: bold;
}

nav a:hover {
  color: #999999;
}

/* Style the content */
article {
  -webkit-flex: 3;
  -ms-flex: 3;
  flex: 3;
  margin: 0px auto 0 auto;
  color: black;
  background-color: white;
  padding: 1em;
}

/* Style the footer */
footer {
    background-color: #999999;
    padding: 10px;
    text-align: center;
    color: white;
}

/* Responsive layout - makes the menu and the content (inside the section) sit on top of each other instead of next to each other */
@media (max-width: 600px) {
    .main_content {
      -webkit-flex-direction: column;
      flex-direction: column;
    }
}

/* Style content elements */
h1 {
    font-size: 1.7em;
    font-weight: bold;
    line-height: 32px;
    color: #999999;
    padding-bottom: 15px;
    padding-left: 40px;
}

h2 {
  display: block;
  font-size: 1.5em;
  margin-top: 0.67em;
  margin-bottom: 0.67em;
  margin-left: 0;
  margin-right: 0;
  font-weight: bold;
  padding-left: 40px;
}

h3 {
  display: block;
  font-size: 1.2em;
  margin-top: 0.67em;
  margin-bottom: 0.67em;
  margin-left: 0;
  margin-right: 0;
  font-weight: bold;
  padding-left: 40px;
}

h4 {
  padding-left: 40px;
}

.content_list {
  padding-top: 10px;
  padding-right: 20px;
  padding-bottom: 10px;
  padding-left: 80px;
}

li {
  padding-top: 0px;
  padding-bottom: 5px;
}

p, table {
  padding-top: 5px;
  padding-right: 40px;
  padding-bottom: 5px;
  padding-left: 40px;
}


/******************
 * Program        *
 ******************/

table.program {
}

td.time {
  text-align: left;
  padding-bottom:6px;
  padding-right:12px;
}

td.action {
//  padding-top:6px;
  padding-bottom:6px;
}

td.session {
//  text-decoration: underline;
  padding-bottom:6px;
  font-weight: bold;
  background-color: lightgray;
}
td.talk {
  font-weight: bold;
  text-align: top;
}

td.authors {
  font-style: italic;
  padding-bottom:6px;
}

td.place {
  width: 25%;
  text-align: right;
  font-style: italic;
}