For Contrast all the colours of the basketball jerseys are different and also each video has different size also all three videos are in the centre for the readers
For Repitition the Background of each title of the video has the same colour and the whole background for the website is the same colour
For Alignment the videos on the right are aligned but they are not in the center but also the scores for each team in the nba the scores are all aligned with the video
For Proximity the teams on the nba are all grouped together but with very small space
For Repitition the Background of each title of the video has the same colour and the whole background for the website is the same colour
For Alignment the videos on the right are aligned but they are not in the center but also the scores for each team in the nba the scores are all aligned with the video
For Proximity the teams on the nba are all grouped together but with very small space
http://www.nba.com/