html, body {
    margin: 0;
    height: 100%;
    overflow: hidden;
    #background-image: url("../images/light_bg.jpg");
    background-size: cover;
}

iframe {
    box-sizing: border-box;
    display: block;
    width: 100%;
    height: 100%;
    border-width: 0;
}

iframe.login {
    height: calc(100% - 90px);
}

.MuiTooltip-popper {
    background-color: grey;
    padding: 4px;
    font-size: 8px;
    border-radius: 4px;
    color: white;
}