max-width: 240
min-width: 321
min-width: 480
min-width: 481
intermediate: (min-width: 480) and (max-width: 959)
min-width: 700
max-width: 767
min-width: 768
min-width: 860
min-width: 900
min-width: 960
min-width: 1000


  • For many nations, energy is significant not only as it applies to providing for the consumption needs of the region's populace, but also in terms of developing the means of exporting it and dealing with the effect that this has on the environment.