html,body{
    height:99%;
}
body{
    background:url(../img/background.jpg) 0 0 no-repeat;
    background-size:100% 100%;
}
.one{
    width:500px;
    height:500px;
    vertical-align:middle;
    margin:0 auto;
}
.two{
    width:110px;
    height:110px;
    margin-left:10px;
    margin-top:30px;
    float:left;
}
img{
    width:100px;
    height:100px;
}
.three{
    display:none;
    }
.show .three{
    display:block;
}
.show .back
{
    display:none;
}
.status{
    text-align:center;
    color:yellow;
}
.btn {
  background-color: #0367a6;
  background-image: linear-gradient(90deg, #0367a6 0%, #008997 74%);
  border-radius: 20px;
  border: 1px solid #0367a6;
  color: #e9e9e9;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: bold;
  letter-spacing: 0.1rem;
  padding: 0.9rem 4rem;
  text-transform: uppercase;
  transition: transform 80ms ease-in;
}