body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
}

.topnav {
  overflow: hidden;
  background-color: #333;
  
}

.topnav a {
  float: left;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

.topnav a:hover {
  background-color: #699685;
  
  cursor: pointer;
}

.topnav a.active {
  background-color: #699685;
  color: white;
}

main {
  margin: 0 auto;
  width: 100%;
}

section#text-container > div > p {
  font: 1.2em "segoe ui", arial, sans-serif;
}

section#report-container {
  height: calc(0.5625 * 77vw); /* 16:9 aspect ratio */
}



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

.site-header { 
  border-bottom: 1px solid #477262;
  background-color: #477262;
  padding: .5em 1em;
  color:white
}

.site-header::after {
  content: "";
  display: table;
  clear: both;
}

.site-identity {
  float: left;
}

.site-identity h1 {
  font-size: 1.5em;
  margin: .7em 0 .3em 0;
  display: inline-block;
}

.site-identity img {
  max-width: 55px;
  float: left;
  margin: 0 10px 0 0;
}

.site-navigation {
  float: right;
}

.site-navigation ul, li {
  margin: 0; 
  padding: 0;
}

.site-navigation li {
  display: inline-block;
  margin: 1.4em 1em 1em 1em;
}