r{
	color: red;
}

g{
	color: green;
}

ul{
	list-style:none;	
}


video{
	margin-bottom: 10em;
	
}

pre{
	

    white-space: pre-wrap;
    word-wrap: break-word;
    overflow: auto;

	margin-top: 1em;
	margin-bottom: 1em;
	padding: 1em;
}



.b{

	border: 1px solid #999;
}


iframe{
	margin-bottom: 1em;
}

img{
	margin-bottom: 1em;
		
}