# Z-Index
Tab-Headers: 2
Metrics: 3
Mat-Select: 4
B2Note: 5
Nav-bar: 980
Modal: 10000
Modal-Select: 10001
# Screen sizes - width
xs: 0 - 639
s: 640 - 959
m: 960 - 1199
l: 1200 - 1599
xl: >= 1600