* {
    box-sizing: border-box;
}

BODY {
    padding: 0;
    margin: 0;
    box-sizing: border-box;

    font-family: verdana, sans-serif;
    background-color: #F0F0F0;
}

#container {
    display: flex;
}

#source, #render {
    width: 50%;
    padding: 4px;
    margin: 4px;
    background-color: #FFF;
}

#data {
    width: 100%;
    margin: 0;
    padding: 4px;
    border: 0;
    font-family: roboto, monospace;
    height: 100%;
}

#footer {
    padding: 4px;
}