#ipython_notebook img{
    display: block;
    background: url(logo.svg) no-repeat;
    background-size: contain;
    width: 233px;
    height: 33px;
    padding-left: 233px;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}

#shutdown_widget {
    display: none;
}
