w3-theme-l5 (w3-theme-light)
w3-theme-l4
w3-theme-l3
w3-theme-l2
w3-theme-l1
w3-theme
w3-theme-d1
w3-theme-d2
w3-theme-d3
w3-theme-d4
w3-theme-d5 (w3-theme-dark)