Spinner with percentage valueApproved

#### How to choose spinner? We suggest you these simple rules: 1) On blue or orange background use the semi-transparent version - `sc-spinner` 2) On white background use orange version - `sc-spinner orange` 3) On light grey background use grey version - `sc-spinner grey` Note that background-color and `sc-absolute-center` to the div wrapper in example are added only for example styling