Fixed Collapsable Navbar

Fixed Collapsable Navbar.markdown

Fixed Collapsable Navbar

A Pen by Chris on CodePen.

License.

index.html

<nav class="fixed-nav-bar">
  <a class="brand">
    <img src="https://upload.wikimedia.org/wikipedia/commons/thumb/1/13/Poundexclam.svg/2000px-Poundexclam.svg.png" />
  </a>
  <label for="show-menu" class="show-menu">
    <img id="down" src="https://upload.wikimedia.org/wikipedia/commons/thumb/4/4f/TriangleArrow-Down.svg/532px-TriangleArrow-Down.svg.png"/>
    <img id="up" src="https://upload.wikimedia.org/wikipedia/commons/thumb/1/10/TriangleArrow-Up.svg/120px-TriangleArrow-Up.svg.png"/>
  </label>
  <input type="checkbox" id="show-menu" role="button">
  <ul id="menu">
    <li><a href="#">Projects</a></li>
    <li><a href="#">Muniez</a></li>
  </ul>
</nav>
<div class="page-container">
  <ul>
    <li><a>new blog</a></li>
    <li><a>new blog</a></li>
    <li><a>new blog</a></li>
    <li><a>new blog</a></li>
    <li><a>new blog</a></li>
    <li><a>new blog</a></li>
    <li><a>new blog</a></li>
    <li><a>new blog</a></li>
    <li><a>new blog</a></li>
    <li><a>new blog</a></li>
    <li><a>new blog</a></li>
    <li><a>new blog</a></li>
  </ul>
</div>

script.js

var showMenu = document.getElementById('show-menu');
showMenu.addEventListener('click', function (event) {
  if (this.checked) swapDisplay('down', 'up');
  else              swapDisplay('up', 'down');
});

function swapDisplay(hide, show) {
  document.getElementById(hide).style.display = 'none';
  document.getElementById(show).style.display = 'block';
}

style.css

html {
  box-sizing: border-box;
}

body {
  font-family: helvetica;
}

*, *:before, *:after {
  box-sizing: inherit;
  /*border: 1px solid red;*/
}

a {
  text-decoration: none;
  color: gray;
  
  &:hover {
    color: black;
  }
}

.fixed-nav-bar {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 9999;
  width: 100%;
  min-height: 50px;
  max-height: 300px;
  background-color: white;
  box-shadow: 0px 0px 10px gray;
  line-height: 50px;
  
  li {
    display: inline-block;
    margin-right: 30px;
  }

  .brand {
    float: left;
    height: 50px;
    margin-left: 10px;
    
    > img {
      height: inherit;
    }
  }
}

.page-container {
  margin-top: 50px;
  margin-bottom: 100px;

  > ul {
    text-align: center;
    font-size: 3em;
    font-family: "Inconsolata";
    list-style-type: none;

    li {
      padding: 30px 0;
      display: block;
    }
  }
}

/* COLLAPSING STUFF */
#menu {
  list-style-type: none;
  margin: 0;
  padding: 0;
  max-width: max-content;
  float: right;
}

.show-menu { 
  display: none;
  flex: 1;
  max-width: max-content;
  float: right;
  margin-right: 20px;
  
  img {
    padding-top: 20px;
    height: 30px;
  }
  
  #up {
    display: none;
  }
}

input[type=checkbox] {
  display: none;
  
  &:checked ~ #menu {
    display: block;
    text-align: center;
  }
}

/* MAKE SURE COLLAPSED NAVBAR CLOSES WHEN SCREEN
GETS BIGGER AGAIN */
@media screen and (max-width: 760px) {
  #menu {
    display: none;
    float: none;
    max-width: 100%;
  }
  
  #menu li, li a {
    width: 100%;
  }
  
  .show-menu {
    display: block;
  }
}