CSS Property value types
создатель Afnan Al-Subaihin
1. Percentage
2. URL
3. Color
3.1. Color Names
3.2. RGB
3.3. Hex
4. Keyword
5. Number
6. Length
6.1. Approximate Measures
6.1.1. in
6.1.2. cm
6.1.3. mm
6.1.4. pt
6.1.5. pc
6.2. Relative Length Values
6.2.1. em
6.2.2. ex