site.css

#application.main-container header {
  font-size: 40px;
  text-align: center;
}
#application.main-container header nav {
  margin: 20px auto;
  width: 800px;
}
#application.main-container header nav a {
  font-size: 20px;
  margin: 10px;
  background-color: #3d7cf1;
  text-decoration: none;
  font-weight: bold;
  padding: 10px;
  border-radius: 5px;
  color: black;
}
#application.main-container header nav a:hover {
  background-color: #1eb5d5;
}
#application.main-container .body {
  width: 1000px;
  margin: 10px auto;
}
#application.main-container .body .tab-container nav a {
  font-size: 20px;
  background-color: #33c6af;
  text-decoration: none;
  font-weight: bold;
  padding: 10px;
  border-top-right-radius: 5px;
  border-top-left-radius: 5px;
  color: black;
  border: 1px solid black;
}
#application.main-container .body .tab-container nav a:hover {
  background-color: #1eb5d5;
}
#application.main-container .body .tab-container .tabs {
  margin-top: 9px;
  border: 1px solid black;
  border-top-right-radius: 5px;
  border-bottom-right-radius: 5px;
  border-bottom-left-radius: 5px;
}
#application.main-container .body .tab-container .tabs .tab {
  margin-left: 10px;
}