body {
    background: #282537;
    background-image: -webkit-radial-gradient(top, circle cover, #3c3b52 0%, #252233 80%);
    background-image: -moz-radial-gradient(top, circle cover, #3c3b52 0%, #252233 80%);
    background-image: -o-radial-gradient(top, circle cover, #3c3b52 0%, #252233 80%);
    background-image: radial-gradient(top, circle cover, #3c3b52 0%, #252233 80%);
}

body {
    color: #ddd;
    margin-top: 3em;
}
img {
    max-width: 100%;
    margin-top: 3em;
    margin-bottom: 3em;
}