Ratio Video
Responsive Ratio video 21:9
Use class .ratio-21x9
Responsive Ratio video 1:1
Use class .ratio-1x1
Responsive Ratio video 16:9
Use class .ratio-16x9
Responsive Ratio video 4:3
Use class .ratio-4x3
Use class .ratio-21x9
Use class .ratio-1x1
Use class .ratio-16x9
Use class .ratio-4x3