It is Very Easy to Customize and it uses in website apllication.

.wd-80
.wd-150
.wd-100
Smaller Width Value
.wd-[value] 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10
Regular Width Value
.wd-[value] 15 | 20 | 25 | 30 | ... | 100   (step of 5)
Bigger Width Value
.wd-[value] 150 | 200 | 250 | 300 | ... | 1000   (step of 50)

It is Very Easy to Customize and it uses in website apllication.

Class Value
.wd-[value]p 10 | 20 | 30 | 40 | ... | 100   (step of 10)

It is Very Easy to Customize and it uses in website apllication.

Class Value
.wd-[size]-[value]

size: xs | sm | md | lg | xl

value: the width value (refer to code above)

.wd-[size]-[value]p

It is Very Easy to Customize and it uses in website apllication.

Class Description
.wd-100v Set a width to an element based on viewport width.
.wd-auto Set an auto width to an element.