This information is presented for the sake of completion and historical accuracy.
Don't use the <FONT ...> tag. It will make your life difficult. See
Break the <FONT> Habit for an easy tutorial on styles. If you would like to learn how to set font weights, see Font Weight.
WEIGHT is an attempt by Netscape to allow for degrees of boldness. However, even Netscape no longer supports this attribute. However, you can set degrees of boldness using styles. See
Font Weight.
WEIGHT accepts a range from 100 to 900 in multiples of 100. So, for example, 450 would not work because it is not a multiple of 100. The following code sets a font with a weight of 900: