<div class="wrap">
  <h1>Best in Chrome</h1>
  <div class="menu">
    <input type="checkbox" name="toggle" id="toggle"/>
    <label for="toggle"><span>Profile</span></label>
    <ul>
      <li><a>Account Settings</a></li>
      <li><a>Statistics</a></li>
      <li><a>Link</a></li>
      <li><a>Record</a></li>
      <li><a>Database</a></li>
      <li><a>Sign Out</a></li>
    </ul> 
  </div>
</div>

@import url(https://fonts.googleapis.com/css?family=Open+Sans:700,600);

body, html {
  width: 100%;
  height: 100%;
  font-family: 'Open Sans', sans-serif;
  font-weight: 700;
}
body {
  background: #A7D5CD;
  /* */
}
.wrap {
  width: 300px;
  margin: 0 auto;
  margin-top: 30px;
}
.menu {
  width: 300px;
  text-transform: uppercase;
  font-size: 14px;
}
input#toggle {
  position: absolute;
  z-index: -9999;
}
input#toggle:checked ~ label {
  background: #42423E;
}
input#toggle:checked ~ ul {
  display: block;
  opacity: 1;
  animation-play-state: running; 
}
ul {
  margin: 20px 0 0 0;
  display: none;
  opacity: 0;
  animation: fade .5s linear;
  animation-play-state: paused;  
}
label, li {
  width: 300px;
  background: #DF826B;
  display: block;
  padding: 15px 20px;
  cursor: pointer; 
}
label {
  box-shadow: 0 6px 10px -6px #4F4F4B;
}
li {
  border-bottom: 3px solid #42423E;
}
li:hover, label:hover {
  background: #42423E;
}
ul:before {
  display: block;
  content: '';
  width: 0; 
  height: 0; 
  border-left: 10px solid transparent;
  border-right: 10px solid transparent;	
  border-bottom: 15px solid #DF826B;
  position: relative;
  left: 100%;
}
li:last-child {
  border: none;
  box-shadow: 0 6px 10px -6px #4F4F4B;
}
a, span, h1 {
  color: #FFFFFF;
  text-fill-color: transparent;
  background: linear-gradient(transparent, transparent), linear-gradient(to bottom, #ffffff 0%,#efe9e8 100%) no-repeat;
  background: -o-linear-gradient(transparent, transparent);
  -webkit-background-clip: text; 
  cursor: pointer;  
}
h1{
  font-size: 20px;
  text-transform: uppercase;
  text-align: center;
  margin: 0 0 10px 40px;
}
@keyframes fade {
  0% { opacity: 0; }
  100% { opacity: 1; }
}

/* Transition not working?! If you have a solution please feel free to comment :) */