html {
    width: 100%;
    height: 100%;
}

body {
    font: "Raleway", "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: #fff;
    background: white;
}

img {
    width: 500px;
    height: auto;
    display: table;
    margin-left: auto;
  	margin-right: auto;
  	margin-top : 150px;    
}