*{
  margin: 0;
  padding: 0;
  font-family: 'Ubuntu', sans-serif;
  font-size: 1.5em;
  font-weight: 500;
  color: #fff;
  text-align: center;
}

#button{
  position: absolute;
  z-index:9;
  height: 60px;
  width: 60px;
  background: red;
  margin-top: 300px;
  margin-left: 120px;
  border-radius: 30px;
}
#button:hover{
    background:blue;
  }


.card{
  width: 320px;
  height: 480px;
  background: red;
  float: left;
}

a{
  top: 35%;
  left: 16%;
  text-decoration: none; 
  position: absolute;
}

#back{
  background: #de6040;
  position: absolute;
  z-index: 0;
  
  width: 320px;
  height: 480px;
  float: left;
}

#pag6{
  background: #222;
  position: absolute;
  z-index: 2;
}

#pag5{
  background: #333;
  position: absolute;
  z-index: 3;
}

#pag4{
  background: #444;
  position: absolute;
  z-index: 4;
}

#pag3{
  background: #555;
  position: absolute;
  z-index: 5;
}

#pag2{
  background: #666;
  position: absolute;
  z-index: 6;
}

#pag1{
  background: #777;
  position: absolute;
  z-index: 7;
}

#front{
  background: #0bbfa7;
  position: absolute;
  z-index: 8;
}