body{
    background-color: #0e1f56;
}

.jef-background{
    background: url(/jef-background.png);
    width: 100%;
    height: 180px;
    position: fixed;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: bottom center;
    opacity: 0.4;
    bottom: 30px;
}