Responsive sidebar revealed on click and key press

index.html

<div class="nav-right visible-xs">
  <div class="button" id="btn">
    <div class="bar top"></div>
    <div class="bar middle"></div>
    <div class="bar bottom"></div>
  </div>
</div>
<!-- nav-right -->
<main>


  <nav>
    <div class="nav-right hidden-xs">
      <div class="button" id="btn">
        <div class="bar top"></div>
        <div class="bar middle"></div>
        <div class="bar bottom"></div>
      </div>
    </div>
    <!-- nav-right -->
  </nav>

  <a href="http://codepen.io/tonkec/" class="ua" target="_blank">
    <i class="fa fa-user"></i>
  </a>
</main>

<div class="sidebar">
  <ul class="sidebar-list">
    <li class="sidebar-item"><a href="#" class="sidebar-anchor">Item 1</a></li>
    <li class="sidebar-item"><a href="#" class="sidebar-anchor">Item 2</a></li>
    <li class="sidebar-item"><a href="#" class="sidebar-anchor">Item 3</a></li>
    <li class="sidebar-item"><a href="#" class="sidebar-anchor">Item 4</a></li>
  </ul>
</div>

Responsive sidebar revealed on click and key press.markdown

Responsive sidebar revealed on click and key press

A Pen by Antonija Šimić on CodePen.

License.

script.js

$(document).ready(function() {

  function toggleSidebar() {
    $(".button").toggleClass("active");
    $("main").toggleClass("move-to-left");
    $(".sidebar-item").toggleClass("active");
  }

  $(".button").on("click tap", function() {
    toggleSidebar();
  });

  $(document).keyup(function(e) {
    if (e.keyCode === 27) {
      toggleSidebar();
    }
  });

});

scripts

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/2.2.2/jquery.min.js"></script>

style.css

@import url(https://fonts.googleapis.com/css?family=Arimo:400,400italic,700,700italic);
body,
html {
  height: 100%;
  padding: 0;
  margin: 0;
  font-family: 'Arimo', sans-serif;
}

main {
  z-index: 2;
  position: relative;
  height: 100%;
  background-color: #2D3142;
  -webkit-transition: transform .7s ease-in-out;
  -moz-transition: transform .7s ease-in-out;
  -ms-transition: transform .7s ease-in-out;
  -o-transition: transform .7s ease-in-out;
  transition: transform .7s ease-in-out;
}

.sidebar {
  height: 100%;
  width: 400px;
  position: fixed;
  top: 0;
  z-index: 1;
  right: 0;
  background-color: #EF8354;
}

.bar {
  display: block;
  height: 5px;
  width: 50px;
  background-color: #EF8354;
  margin: 10px auto;
}

.button {
  cursor: pointer;
  display: inline-block;
  width: auto;
  margin: 0 auto;
  -webkit-transition: all .7s ease;
  -moz-transition: all .7s ease;
  -ms-transition: all .7s ease;
  -o-transition: all .7s ease;
  transition: all .7s ease;
}

.nav-right {
  position: fixed;
  right: 40px;
  top: 20px;
}

.nav-right.visible-xs {
  z-index: 3;
}

.hidden-xs {
  display: none;
}

.middle {
  margin: 0 auto;
}

.bar {
  -webkit-transition: all .7s ease;
  -moz-transition: all .7s ease;
  -ms-transition: all .7s ease;
  -o-transition: all .7s ease;
  transition: all .7s ease;
}

.nav-right.visible-xs .active .bar {
  background-color: #FFF;
  -webkit-transition: all .7s ease;
  -moz-transition: all .7s ease;
  -ms-transition: all .7s ease;
  -o-transition: all .7s ease;
  transition: all .7s ease;
}

.button.active .top {
  -webkit-transform: translateY(15px) rotateZ(45deg);
  -moz-transform: translateY(15px) rotateZ(45deg);
  -ms-transform: translateY(15px) rotateZ(45deg);
  -o-transform: translateY(15px) rotateZ(45deg);
  transform: translateY(15px) rotateZ(45deg);
}

.button.active .bottom {
  -webkit-transform: translateY(-15px) rotateZ(-45deg);
  -moz-transform: translateY(-15px) rotateZ(-45deg);
  -ms-transform: translateY(-15px) rotateZ(-45deg);
  -o-transform: translateY(-15px) rotateZ(-45deg);
  transform: translateY(-15px) rotateZ(-45deg);
}

.button.active .middle {
  width: 0;
}

.move-to-left {
  -webkit-transform: translateX(-400px);
  -moz-transform: translateX(-400px);
  -ms-transform: translateX(-400px);
  -o-transform: translateX(-400px);
  transform: translateX(-400px);
}

nav {
  padding-top: 30px;
}

.sidebar-list {
  padding: 0;
  margin: 0;
  list-style: none;
  position: relative;
  margin-top: 150px;
  text-align: center;
}

.sidebar-item {
  margin: 30px 0;
  opacity: 0;
  -webkit-transform: translateY(-20px);
  -moz-transform: translateY(-20px);
  -ms-transform: translateY(-20px);
  -o-transform: translateY(-20px);
  transform: translateY(-20px);
}

.sidebar-item:first-child {
  -webkit-transition: all .7s .2s ease-in-out;
  -moz-transition: all .7s .2s ease-in-out;
  -ms-transition: all .7s .2s ease-in-out;
  -o-transition: all .7s .2s ease-in-out;
  transition: all .7s .2s ease-in-out;
}

.sidebar-item:nth-child(2) {
  -webkit-transition: all .7s .4s ease-in-out;
  -moz-transition: all .7s .4s ease-in-out;
  -ms-transition: all .7s .4s ease-in-out;
  -o-transition: all .7s .4s ease-in-out;
  transition: all .7s .4s ease-in-out;
}

.sidebar-item:nth-child(3) {
  -webkit-transition: all .7s .6s ease-in-out;
  -moz-transition: all .7s .6s ease-in-out;
  -ms-transition: all .7s .6s ease-in-out;
  -o-transition: all .7s .6s ease-in-out;
  transition: all .7s .6s ease-in-out;
}

.sidebar-item:last-child {
  -webkit-transition: all .7s .8s ease-in-out;
  -moz-transition: all .7s .8s ease-in-out;
  -ms-transition: all .7s .8s ease-in-out;
  -o-transition: all .7s .8s ease-in-out;
  transition: all .7s .6s ease-in-out;
}

.sidebar-item.active {
  opacity: 1;
  -webkit-transform: translateY(0px);
  -moz-transform: translateY(0px);
  -ms-transform: translateY(0px);
  -o-transform: translateY(0px);
  transform: translateY(0px);
}

.sidebar-anchor {
  color: #FFF;
  text-decoration: none;
  font-size: 1.8em;
  text-transform: uppercase;
  position: relative;
  padding-bottom: 7px;
}

.sidebar-anchor:before {
  content: "";
  width: 0;
  height: 2px;
  position: absolute;
  bottom: 0;
  left: 0;
  background-color: #FFF;
  -webkit-transition: all .7s ease-in-out;
  -moz-transition: all .7s ease-in-out;
  -ms-transition: all .7s ease-in-out;
  -o-transition: all .7s ease-in-out;
  transition: all .7s ease-in-out;
}

.sidebar-anchor:hover:before {
  width: 100%;
}

.ua {
  position: absolute;
  bottom: 20px;
  left: 60px;
}

.fa {
  font-size: 1.4em;
  color: #EF8354;
  -webkit-transition: all 1s ease;
  -moz-transition: all 1s ease;
  -ms-transition: all 1s ease;
  -o-transition: all 1s ease;
  transition: all 1s ease;
}

.ua:hover .fa {
  color: #FFF;
  -webkit-transform: scale(1.3);
  -moz-transform: scale(1.3);
  -ms-transform: scale(1.3);
  -o-transform: scale(1.3);
  transform: scale(1.3);
  -webkit-transition: all 1s ease;
  -moz-transition: all 1s ease;
  -ms-transition: all 1s ease;
  -o-transition: all 1s ease;
  transition: all 1s ease;
}

@media (min-width: 480px) {
  .nav-list {
    display: block;
  }
}

@media (min-width: 768px) {
  .nav-right {
    position: absolute;
  }
  .hidden-xs {
    display: block;
  }
  .visible-xs {
    display: none;
  }
}