body{
    margin:0;
    padding:0;
    font-family:Arial, sans-serif;
    background:#111;
    color:#fff;
    text-align:center;
}
.container{
    padding:40px;
}
.hero{
    width:100%;
    max-width:500px;
    margin:auto;
}
h1{
    font-size:40px;
    margin-top:20px;
}
.tagline{
    font-size:18px;
    opacity:0.8;
}