body {
    padding: 30px;
    min-height: 0;
    background-image: url("../images/a.jpg");
    background-size: 20%;
    background-repeat: no-repeat;
    background-position: bottom right;
    background-origin: content-box;
}
.entry-project{
    display: block;
    text-align: center;
}
.return {
    margin: 30px;
    top: 0;
}