*{box-sizing: border-box;}
html,body,#container{margin:0;padding:0;height: 100%;}
html{
    color: #333;
    background:#eee;
}
a{
    color:#666;
}
img{
    max-width:400px
}
#first{
    display:none;
}
#container{
    height: 100%;
   
    display:flex;
    align-items: center;
    justify-content:center;
    
}
#present{
    width: auto;
    text-align: center;
    font-size:2em;
    padding: 0 5px 0 5px;
}
#universe{
    position:fixed;
    top:0;
    left:0;
    width:100%;
    height:100%;
    z-index:99999;
    background-image: url('james-webb-telescope-first-image.jpg');
    background-size: cover;

}