.top-bar {
  width: 100%;
  height: 42px;
  position: fixed;
  z-index: 9999;
  background-color: aqua;
  display: inline-block;
  padding-left: 10px;
}

.top-bar a {
  margin-left: 10px;
  font-size: 20px;
  color: salmon;
}

.top-bar a:hover {
  color: green;
  text-decoration: none;
}

#header {
  padding-top: 43px;
}