light 對應font-weight值爲100~300,
regular對應font-weight值爲400,
medium對應font-weight值爲500,
bold一般對應600或700,
black對應font-weight值爲800,
ultrablack對應font-weight值爲900
light 對應font-weight值爲100~300,
regular對應font-weight值爲400,
medium對應font-weight值爲500,
bold一般對應600或700,
black對應font-weight值爲800,
ultrablack對應font-weight值爲900