html, body {
    margin: 0;
}

#tabFile, #btnLoadDBScheme, #btnInsertFile, #mnuItemInsertImage:first-child {
    display: none !important;
}

.beta {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    position: fixed;
    bottom: 22px;
    opacity: .4;
    text-align: center;
    z-index: 999;
    background-color: red;
    width: 100%;
    pointer-events: none;
}