#blurnav {
  position: fixed;
  display: flex;
  top: 0;
  left: 0;
  width: 100%;
  height: 20vh;
  /* background-color: blue; */
  z-index: 2;
}
nav {
  position: sticky;
  top: 0;
  display: flex;
  width: 100%;
  height: 72px;
  padding: 0em 5em;
  justify-content: space-between;
  align-items: center;
  z-index: 2;
  background-color: #ffcc01;
  opacity: 0.95;
  transition: transform 200ms ease-out,
      opacity 800ms ease-in;
  transform: translateY(calc(-101% + 5px));
  border-bottom: 5px solid #ffdb4c;
}
nav:hover,
#blurnav:hover ~ nav {
  transform: translateY(0%);
}
nav.initial {
  transform: translateY(0%);
}

nav img#logo_small {
  display: block;
  cursor: pointer;
}

nav ul {
  margin: 0;
  padding: 0;
  height: 1.5ch;
}
nav li {
  display: inline-block;
}
nav li > a {
  color: #fff;
  margin-left: 1.5em;
  text-decoration: none;
  font-weight: bold;
}