.dropzone-container {
    background: white;
    padding: 0.95em;
    position: fixed;
    margin: auto;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    height: calc(7.5em);
    box-sizing: border-box;
    width: 14em;
    z-index: 100;
    border: 0.09em solid slategray;
    border-radius: 6px;
}