body {
        font-family: Verdana, Arial, Helvetica, sans-serif;
        background-color: #0A0A33;
        background-image: url('europe.png');
        background-size: cover;
        background-position: 0px -800px;
        color: white;
    }
    
    #container {
        display: table;
        padding: 5px;
        margin: auto;
    }
    
    div.listwrapper {
        display: table-cell;
        padding: 20px;
    }
    
    div.list {
        border: 3px solid blue;
        border-radius: 10px;
        display: table-cell;
        
        background: rgba( 255, 255, 255, 0.1 );
    }
    
    div.heading {
        padding: 10px 15px 10px 15px;
        cursor: pointer;
        background: rgba( 0, 0, 255, 0.4 );
    }
    
    div.heading_error {
        padding: 10px 15px 10px 15px;
        cursor: pointer;
        background: red;
    }
    
    div.item {
        padding: 2px 15px 2px 15px;
        cursor: pointer;
    }
    
    div.item:hover {
        background: rgba( 255, 255, 255, 0.3 );
    }
    
    div.error {
        background: red;
        color: white;
    }
    
    div.warning {
        background: orange;
    }
    
    #popup {
        border: 3px solid blue;
        border-radius: 10px;
        background-color: #0A0A33;
        color: white;
        padding: 20px;
        position: absolute;
        display: none;
    }
    
    #clickmask {
        position: absolute;
        top: 0px;
        left: 0px;
        cursor: pointer;
        background: rgba( 255, 255, 255, 0.2 );
    }
    
    span.sourceid {
        color: #888;
    }