Another of the common well-wishes in Sweden this time of the year.
"God Fortsättning på det nya året" or "God Fortsättning på 2017" | Happy Continuation of the New Year!
The greeting God Fortsättning can, according to Swedish Språkrådet be used any time of the year for a multitude of reasons but is, however, most common around the time of Christmas and early January.
Source: Institutet for Språk och Folkminnen: http://www.sprakradet.se