html, body {
    height: 100%;
}

body {
    background: url("images/tiled_background.jpg");
    background-position: 50% 50%;
    margin: 0px;
    padding: 0px;
    -webkit-font-smoothing: antialiased;
}

#pageWrapper {
    min-height: 100%;
    display: flex;
    align-items: center;      /* dikey ortalama */
    justify-content: center;  /* yatay ortalama */
}

#mainTextArea {
    min-width: 500px;
    text-align: center;
    font-family: 'Conv_DIN-Regular', Sans-Serif;
    font-size: 12px;
    color: #000;
}