Lightning-Tracker/res/~resources/css/navigation.css

#navigation {
  width: 100%;
  min-height: 48px;
  display: flex;
  flex-wrap: wrap;
  background: linear-gradient(#0c527d, #0a4163);
  box-shadow: 0 -1px 1px 4px #1b1b1b;
}

#navigation > .title {
  flex: 0 0 auto;
  display: flex;
  height: 48px;
}

#navigation > .title a {
  opacity: 1;
  transition: opacity 0.175s ease;
}

#navigation > .title a:hover,
#navigation > .title a:focus {
  opacity: 0.75;
  outline: none;
}

#navigation > .title > a {
  flex: 0 0 auto;
  margin-left: 14px;
}

#navigation > .title > h1 {
  flex: 0 0 auto;
  margin: 0;
  padding: 0 14px 0 0;
  font-size: 21px;
  text-shadow: 1px 1px 1px #222;
}

#navigation > .title > h1 a {
  display: inline-block;
  padding: 12px 8px;
  color: #fafafa;
  text-decoration: none;
}

#navigation > .left {
  flex: 1 1 auto;
}

#navigation > .right {
  flex: 0 1 auto;
}

#navigation .item {
  display: inline-block;
  height: 48px;
  font-size: 17px;
  font-weight: bold;
  text-align: center;
  text-shadow: 1px 1px 1px #222;
}

#navigation .item a {
  display: inline-block;
  height: 100%;
  padding: 15px 19px 0;
  color: #e5e5e5;
  text-decoration: none;
}

#navigation .item a:hover, #navigation .item.active a {
  background: linear-gradient(#07304a, #0a4163);
}

#navigation .item .icon {
  margin-right: 4px;
  font-size: 1.3em;
  line-height: 0.75em;
  vertical-align: -20%;
}

#navigation .item .icon.icon-enter {
  vertical-align: -25%;
}