body {
    /* avoid ugly drawing on taps on touchscreens */
    -webkit-tap-highlight-color: rgba(0,0,0,0);
    -webkit-tap-highlight-color: transparent; /* For some Androids */
}
div.button {
    width: 100%;
    min-height: 1cm;
    border: 1px solid #aaaaaa;
    color: black;
    padding: 0.2em;
    display: block;
    text-decoration: none;
    cursor: pointer;
    font-size: 20pt;
    font-family: sans-serif;
    background: #cccccc;
    word-break: break-all;

    -webkit-box-sizing: border-box; /* Safari/Chrome, other WebKit */
    -moz-box-sizing: border-box;    /* Firefox, other Gecko */
    box-sizing: border-box;         /* Opera/IE 8+ */
}
div.buttondown {
    background: #dddddd;
}
/** class for a mobile screen. examples are the file browser and the odf viewer */
div.screen {
    width: 100%;
    height: 100%;
    background: gray;
    overflow: scroll;
}
div.buttonbar {
    position: fixed;
    bottom: 0;
    width: 100%;
    left: 0;
    right: 0;
    background: rgba(0,0,0,0.5);
    display: table;
}
div.iconbutton {
    cursor: pointer;
    display: table-cell;
    text-align: center;
    height: 100%;
}
html, body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    border: 0;
}
div.notificationLine {
    width: 100%;
    color: black;
    font-size: 20pt;
    text-align: center;
    background: rgba(255,255,0,0.8);
    position: fixed;
    bottom: 0;
    z-index: 10;
}
div.okDialog {
    background: rgba(0,0,0,0.5);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    padding: 10%;
    color: white;
    font-size: 20pt;
    text-align: center;
}