body {
	font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
}

#testzone {
    font-size: 15px;
    border: 10px solid white;
    margin: 0 0 20px 0;
}
#child {
    padding: 10px;
}
#target {
    padding: 10px;
}