body{
  margin: 0;
  padding: 0;
  font-family: sans-serif;
  background: white;
}

.title{
  font-size: 36px;
  margin-top: 10px;
  margin-bottom: 0px;
  padding: 0;
  color: #141c3a;
  text-transform: uppercase;
  letter-spacing: 2px;
  text-align: center;
  margin-top: 200px;
}

#demo{
  text-align: center;
  font-size: 18px;
  margin-top: 15px;
  color: #141c3a;
  letter-spacing: 1px;
  font-style: italic;
}

.piano{
  width: 405px;
  height: 210px;
  display: block;
  margin: 0 auto;
  background-color: white;
  margin-top: 30px;
}

.key{
  width: 40px;
  height: 180px;
  display: inline-block;
  border: solid #141c3a 2px;
  box-shadow: 2px 5px;
  background-color: white;
  color: #141c3a;
}

.black-key{
  width: 25px;
  height: 100px;
  display: inline-block;
  background-color: #141c3a;
  color: white;
  position: absolute;
  margin-left: -12px;
  padding: 0px;
}

.keynote{
  width: 20px;
  height: 20px;
  text-align: center;
  display: block;
  margin: 0 auto;
  margin-top: 155px;
  color: #141c3a;
}

.black-keynote{
  width: 20px;
  height: 20px;
  text-align: center;
  display: block;
  margin: 0 auto;
  margin-top: 75px;
}