Sass :: SyntaxError: invalid CSS after "... orm-group :: not (": expected pseudo_expr, was ": first-child)"

Question

I got the following error by clicking the code on Heroku. This is a freelancer 'pattern issue.

Sass :: SyntaxError: invalid CSS after "... orm-group :: not (": expected pseudo_expr, was ": first-child) Error with the following code while precompiling assets in production mode.

.floating-label-form-group::not(:first-child) { padding-left: 14px; border-left: 1px solid #eee; } 

Answer 1

After posting quotes around: the first child solved my problem

 .floating-label-form-group::not(':first-child') { padding-left: 14px; border-left: 1px solid #eee; }