.tetris_block
{
    background-color: #ccc ;
    width: 500px ;
    overflow: hidden ;
    margin: 0 auto ;
    padding: 0 ;
}

.tetris_stat
{
    float: left ;
}

.tetris_game_area
{
    width: 300px ;
    height: 500px ;
    background-color: #000 ;
    overflow: hidden ;
    float: left ;
    padding: 0 ;
    margin: 0 ;
    margin-top: 0 ;
    margin-bottom: 0 ;
}

.tetris_game_score
{
    font-family: FreeMono, "Courier New" ;
    font-size: 30px ;
    display: block ;
}

.tetris_game_level
{
    font-family: FreeMono, "Courier New" ;
    font-size: 30px ;
    display: block ;
}