Remove outline from lang selector links, add focus style
Remove outline from lang selector links, add focus style

ProcessOut/documentation,Ibercheck/api-docs,Ibercheck/api-docs,ProcessOut/documentation,kasko/docs,claylo/api-docs,linchpinio/docs,bookiza/docs,ProcessOut/documentation,linchpinio/docs,bookiza/docs,claylo/api-docs,claylo/api-docs,Ibercheck/api-docs,bookiza/docs,linchpinio/docs,bookiza/docs