#message_frame {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 10;
    background-color: #f0f8ff;
}

#message_frame span {
    position: absolute;
    top: 35%;
    left: calc(50% - 60px);
    padding: 7px;
    border-radius: 10px;
    background-color: #ffffff;
    font-family: Calibri, serif;
    font-weight: bold;
}