body {
    background-color: #252527;
    
    font-family: Verdana;
}
header {
    position: absolute;
    width: 600px;
    left: calc( 50vw - 300px );
    
    color: #fafaf3;
}
header > h1 {
    width: 100%;
    text-align: center;
    font-size: 40px;
    
    margin-bottom: 15px;
}
header > aside {
            
    display: flex;
    display: -webkit-flex;
}
header > aside > a {
            
    flex: 1;
    -webkit-flex: 1;
            
    text-align: center;
            
    text-decoration: none;
    font: 15px Courier;
    color: #aae;
}
article {
    position: absolute;
    width: 600px;
    background-color: #fafaf3;
            
    left: calc( 50vw - 320px );
    top: 200px;
    margin-bottom: 40px;
            
    padding: 20px 20px 20px 20px;
}
article a {

    text-decoration: none;
    color: #22a;
}
.center {
    
    margin-top: 40px;
    text-align: center;
}
.center img {

    margin-top: 20px;
    margin-bottom: 35px;
}
.description {
    
    margin-top: -10px;
}