.embed-240p
{
	max-width: 426px;
	max-height: 240px;
	margin:0 auto;
}

.embed-360p
{
	max-width: 640px;
	max-height: 360px;    
	margin:0 auto;
}

.embed-480p
{
	max-width: 854px;
	max-height: 480px;
	margin:0 auto;
}

.embed-720p
{
	max-width: 1280px;
	max-height: 720px;
	margin:0 auto;
}

.embed-1080p
{
	max-width: 1920px;
	max-height: 1080px;
	margin:0 auto;
}