Code Playground

@import url(https://fonts.googleapis.com/css?family=Roboto:400,700);
li, a {
  color: #E91E63;
  text-indent: -15px;
  text-decoration: none;
  text-transform: none;
  list-style: none;
}

a:focus {
  color: #F50057;
  font-weight: 700;
  transition: 0.2s linear;
}

aside {
  position: absolute;
  color: #B71C1C;
  top: 35%;
  right: 10%;
  text-align: right;
}

h1 {
  line-height: 0;
  font-size: 4vw;
  font-weight: 700;
}

h3 {
  float: right;
  line-height: 0.3;
  font-size: 2.5vw;
  font-weight: lighter;
}

h4 {
  float: left;
  margin-left: -2%;
  font-size: 1.5vw;
  font-weight: lighter;
}

html, body {
  margin: 0;
  padding: 0;
  background-color: #F44336;
  font-family: "Roboto", sans-serif;
}

#menu, label:before, label:after {
  content: " ";
  position: absolute;
  left: 100px;
  width: 40px;
  height: 5px;
  background-color: white;
  border-radius: 2px;
  transition: 0.5s ease;
}

label {
  padding: 38px 70px;
  position: absolute;
  z-index: 1;
}

label:before {
  top: 50px;
}

label:after {
  top: 70px;
}

#menu {
  top: 44px;
  width: 0px;
  transition: 0.2s ease;
  z-index: 0;
}

#menu li {
  line-height: 0.5;
  pointer-events: none;
  opacity: 0;
}

#menu-toggle:checked + label:before {
  top: 60px;
  left: 50px;
  transform: rotate(-45deg);
}

#menu-toggle:checked + label:after {
  top: 60px;
  left: 50px;
  transform: rotate(45deg);
}

#menu-toggle:checked + label + #menu {
  top: 44px;
  width: 120px;
  height: 200px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.26);
  transition: 0.3s ease 0.2s;
  z-index: 1;
}

#menu-toggle:checked + label + #menu li {
  pointer-events: all;
  font: 16pt "Roboto", sans-serif;
  line-height: 2.3;
  opacity: 1;
  z-index: 2;
  transition: 0.2s ease 0.3s;
}

[type=checkbox]:not(:checked), [type=checkbox]:checked {
  display: none;
}

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