Vorlage

normal

by marusti

HTML

<header>
  header
</header>
<nav>
  <a href="#" class="logo">Name oder Logo</a>
  <input class="menu-btn" type="checkbox" id="menu-btn" />
  <label class="menu-icon" for="menu-btn"><span class="navicon"></span></label>
  <ul class="menu">
    <li><a href="#">Home</a></li>
    <li><a href="#">About</a>
      <ul class="sub-menu">
        <li><a href="#">Home</a></li>
        <li><a href="#">About</a></li>
        <li><a href="#">Clients</a></li>
        <li><a href="#">Contact Us</a></li>
      </ul>
    </li>
    <li><a href="#">Clients</a></li>
    <li><a href="#">Contact Us</a></li>
  </ul>
</nav>
<div class="clear"></div>
<main>main</main>
<footer>footer</footer>

CSS

@import url('https://fonts.googleapis.com/css?family=Open+Sans');
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0
}

body {
  font-family: 'Open Sans', sans-serif;
  font-size: 16px;
  color: #333;
  line-height: 1.5;
}

a {
  color: #333;
}

nav ul {
  list-style: none;
  overflow: hidden;
}

nav ul ul {
  margin-left: 20px
}

nav li a {
  display: block;
  padding: 20px 20px;
  border-right: 1px solid #f4f4f4;
  text-decoration: none;
}

nav li a:hover,
nav .menu-btn:hover {
  background-color: #f4f4f4;
}

nav .logo {
  display: block;
  float: left;
  font-size: 2rem;
  padding: 10px 20px;
  text-decoration: none;
}

nav .menu {
  clear: both;
  max-height: 0;
  transition: max-height .2s ease-out;
}

nav .menu-icon {
  cursor: pointer;
  display: inline-block;
  float: right;
  padding: 28px 20px;
  position: relative;
}

nav .menu-icon .navicon {
  background: #333;
  display: block;
  height: 2px;
  position: relative;
  transition: background .2s ease-out;
  width: 18px;
}

nav .menu-icon .navicon:before,
nav .menu-icon .navicon:after {
  background: #333;
  content: '';
  display: block;
  height: 100%;
  position: absolute;
  transition: all .2s ease-out;
  width: 100%;
}

nav .menu-icon .navicon:before {
  top: 5px;
}

nav .menu-icon .navicon:after {
  top: -5px;
}

nav .menu-btn {
  display: none;
}

nav .menu-btn:checked~.menu {
  max-height: 500px;
}

nav .menu-btn:checked~.menu-icon .navicon {
  background: transparent;
}

nav .menu-btn:checked~.menu-icon .navicon:before {
  transform: rotate(-45deg);
}

nav .menu-btn:checked~.menu-icon .navicon:after {
  transform: rotate(45deg);
}

nav .menu-btn:checked~.menu-icon:not(.steps) .navicon:before,
nav .menu-btn:checked~.menu-icon:not(.steps) .navicon:after {
  top: 0;
}

.clear {
  clear: both
}

@media (min-width: 48em) {
  nav ul ul {
    margin-left: 0
  }
  nav li {
    float: left;
    position: relative
  }
  nav li a {
    padding: 20px 30px;
  }
  nav .menu {
    clear: none;
    float:...