LESS - Variables

LESS allows variables to be defined with an @ symbol. Variable assignment is done with a colon(:).
Below table demonstrates the use of LESS variables in detail.

S.N.	Variables usage & Description
1	Overview Repetition of same value many times is usually seen and it can be avoided by the use of variables.
2	Variable Interpolation The variables can also be used in other places like selector names, property names, URLs and @import statements.
3	Variable Names We can define variables with a variable name consisting of a value.
4	Lazy Loading In lazy loading, variables can be used even though they are not declared yet.
5	Default Variables Default variable has an ability to set a variable only when its not already set. This feature is not required because variables can be easily overriden by defining them afterwards.