Bootstrap/lib/navbar.less

// NAVBAR (FIXED AND STATIC)
// -------------------------

// Navbar variables
@navBarHeight: 40px;
@navBarBgStart: #333;
@navBarBgEnd: #222;

// Common styles
.navbar {
  overflow: visible;
}
// gradient is applied to it's own element because overflow visible is not honored by ie when filter is present
.navbar-inner {
  background-color: @navBarBgEnd;
  #gradient > .vertical(@navBarBgStart, @navBarBgEnd);
  @shadow: 0 1px 3px rgba(0,0,0,.25), inset 0 -1px 0 rgba(0,0,0,.1);
  .box-shadow(@shadow);
}
// Text and links
.navbar {
  // Hover and active states
  .brand:hover,
  ul .active > a {
    color: @white;
    text-decoration: none;
    background-color: @navBarBgStart;
    background-color: rgba(255,255,255,.05);
  }
  // Website or project name
  .brand {
    float: left;
    display: block;
    padding: 8px 20px 12px;
    margin-left: -20px; // negative indent to left-align the text down the page
    font-size: 20px;
    font-weight: 200;
    line-height: 1;
    color: @white;
  }
  // Plain text in topbar
  p {
    margin: 0;
    line-height: 40px;
    a:hover {
      color: @white;
      background-color: transparent;
    }
  }
  // Buttons in navbar
  .btn {
    margin-top: 5px; // make buttons vertically centered in navbar
  }
}

// Navbar forms
.navbar-form {
  margin-bottom: 0; // remove default bottom margin
}

// Navbar search
.navbar-search {
  position: relative;
  float: left;
  margin-top: 6px;
  margin-bottom: 0;
  .search-query {
    padding: 4px 9px;
    #font > .sans-serif(13px, normal, 1);
    color: @white;
    color: rgba(255,255,255,.75);
    background-color: #444;
    background-color: rgba(255,255,255,.3);
    border: 1px solid #111;
    @shadow: inset 0 1px 2px rgba(0,0,0,.1), 0 1px 0px rgba(255,255,255,.15);
    .box-shadow(@shadow);
    .transition(none);

    // Placeholder text gets special styles; can't be bundled together though for some reason
    &:-moz-placeholder {
      color: @grayLighter;
    }
    &::-webkit-input-placeholder {
      color: @grayLighter;
    }
    // Hover states
    &:hover {
      color: @white;
      background-color: @grayLight;
      background-color: rgba(255,255,255,.5);
    }
    // Focus states (we use .focused since IE8 and down doesn't support :focus)
    &:focus,
    &.focused {
      padding: 5px 10px;
      color: @grayDark;
      text-shadow: 0 1px 0 @white;
      background-color: @white;
      border: 0;
      .box-shadow(0 0 3px rgba(0,0,0,.15));
      outline: 0;
    }
  }
}


// Static navbar
.navbar-static {
  margin-bottom: @baseLineHeight;
}
.navbar-static .navbar-inner {
  padding-left:  20px;
  padding-right: 20px;
  .border-radius(4px);
}

// Fixed navbar
.navbar-fixed {
  position: fixed;
  top: 0;
  right: 0;
  left: 0;
  z-index: 10000;
}



// NAVIGATION
// ----------

// Nav for navbar and topbar
// ul.nav for all topbar based navigation to avoid inheritance issues and over-specificity
.nav {
  position: relative;
  left: 0;
  display: block;
  float: left;
  margin: 0 10px 0 0;
  > li {
    display: block;
    float: left;
  }
  a {
    display: block;
    float: none;
    padding: 10px 10px 11px;
    line-height: 19px;
    color: @grayLight;
    text-decoration: none;
    text-shadow: 0 -1px 0 rgba(0,0,0,.25);
    &:hover {
      color: @white;
      text-decoration: none;
    }
  }
  .active > a {
    background-color: #222;
    background-color: rgba(0,0,0,.5);
  }
  // Dividers (basically a vertical hr)
  .vertical-divider {
    height: 40px;
    width: 1px;
    margin: 0 5px;
    overflow: hidden;
    background-color: #222;
    border-right: 1px solid #444;
  }

  // Secondary (floated right) nav in topbar
  &.secondary-nav {
    float: right;
    margin-left: 10px;
    margin-right: 0;
    .dropdown-menu {
      right: 0;
      border: 0;
    }
  }
  // Dropdowns within the .nav
  .dropdown-toggle:hover,
  .dropdown.open .dropdown-toggle {
    background: #444;
    background: rgba(255,255,255,.05);
  }
  .dropdown-menu {
    background-color: #333;
    .dropdown-toggle {
      color: @white;
      &.open {
        background: #444;
        background: rgba(255,255,255,.05);
      }
    }
    li a {
      padding: 4px 15px;
      color: #999;
      text-shadow: 0 1px 0 rgba(0,0,0,.5);
      &:hover {
        #gradient > .vertical(#292929,#191919);
        color: @white;
      }
    }
    .active a {
      color: @white;
    }
    .divider {
      background-color: #222;
      border-color: #444;
    }
  }
}