Priority order :

• Importance
  1. transition
  2. !important
  3. animation
  4. normal rules
• Origin
  1. Website
  2. User
  3. Browser
• Specificity
  1. inline (within a style HTML property)
  2. id
  3. class | attribute | pseudo-class
  4. type | pseudo-element
• Position --> Order of the rules (rules defined later are first applied)