ul {
  list-style-type: none;
  height: 52px;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #333;
  flex: 0 0 auto;
  pointer-events: none;
}

li {
  height: auto;
  position: absolute;
  font-family: "sans-serif";
  box-sizing: border-box;
}

li.logo {
  left: 0;  
  margin-left: 1em;
  margin-right: 1em;
  padding-top: 6px;
  padding-bottom: 6px;
  height: 52px;
  box-sizing: border-box;
}

li.title {
  position: relative;
  width: 100%;
  padding-left: 72px;
  padding-right: 52px;
  height: 52px;
}

li.title .container {
  position:relative;
  height:52px;
}

li.title .text {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  margin-top: auto;
  margin-bottom: auto;
}

li.right {
  top: 0;
  right: 0;  
  margin: 4px;
  pointer-events: all;
}

li.logo img {
  display: block;
  height: 100%;  
  width: auto;
  height: 40px;
}

li a,.text {
  display: block;
  color: white;
  text-decoration: none;
  font-family: sans-serif;
}

li a {
  padding: 14px 16px;
}

li a.hover:hover {
  background-color: #111;
}

body {
    display: flex;
    flex-flow: column;
    margin: 0;
}

/* prevent overscroll */
html,body {
  position: fixed;
  overflow: hidden;
  width: 100vw;
  height: 100vh;
}

iframe {
    flex: 1 1 auto;
    border: 0;
}