body {
  padding-top: 70px;
  padding-bottom: 30px;
}

.theme-dropdown .dropdown-menu {
  position: static;
  display: block;
  margin-bottom: 20px;
}

.theme-showcase > p > .btn {
  margin: 5px 0;
}

.theme-showcase .navbar .container {
  width: auto;
}

.jumbo
{
  background-image: url("/graph/sea_back.png");
  background-repeat: no-repeat;
  background-size: cover;
}