[css] Fix unnecessary assertion when Chameleon starts up for the first time.
[css] Fix unnecessary assertion when Chameleon starts up for the first time.

Closes #104.

kviksilver/nimbus,djMax/nimbus,Arcank/nimbus,weiyanwu1984/nimbus,mohsinalimat/nimbus,kviksilver/nimbus,DreamHill/nimbus,dachaoisme/nimbus,pilot34/nimbus_fork,veue/nimbus,mohsinalimat/nimbus,SuPair/nimbus,Arcank/nimbus,mohsinalimat/nimbus,dmishe/nimbus,WeeTom/nimbus,dachaoisme/nimbus,panume/nimbus,zaichang/nimbus,hanangellove/nimbus,weiyanwu1984/nimbus,quyixia/nimbus,ycaihua/nimbus,bogardon/nimbus,bangquangvn/nimbus,WeeTom/nimbus,liuwu/nimbus,LcongGitHub/nimbus,treejames/nimbus,DreamHill/nimbus,dmishe/nimbus,WeeTom/nimbus,zaichang/nimbus,xiaohongjun0509/nimbus,bangquangvn/nimbus,veue/nimbus,djMax/nimbus,hanangellove/nimbus,marcobgoogle/nimbus,veue/nimbus,SuPair/nimbus,veue/nimbus,0xced/nimbus,kisekied/nimbus,Arcank/nimbus,JyHu/nimbus,zilaiyedaren/nimbus,bangquangvn/nimbus,liuwu/nimbus,panume/nimbus,dmishe/nimbus,dieface/nimbus,cnbin/nimbus,kviksilver/nimbus,quyixia/nimbus,panume/nimbus,DreamHill/nimbus,dieface/nimbus,treejames/nimbus,djMax/nimbus,andaluz/nimbus,WeeTom/nimbus,bangquangvn/nimbus,chanffdavid/nimbus,LcongGitHub/nimbus,Guokr1991/nimbus,0xced/nimbus,Arcank/nimbus,Arcank/nimbus,ycaihua/nimbus,weiyanwu1984/nimbus,michaelShab/nimbus,xiaohongjun0509/nimbus,Guokr1991/nimbus,chanffdavid/nimbus,kviksilver/nimbus,xiaohongjun0509/nimbus,bogardon/nimbus,michaelShab/nimbus,hanangellove/nimbus,bogardon/nimbus,zilaiyedaren/nimbus,compositeprimes/nimbus,SuPair/nimbus,veue/nimbus,tranhieutt/nimbus,treejames/nimbus,djMax/nimbus,chanffdavid/nimbus,hanangellove/nimbus,cnbin/nimbus,pilot34/nimbus_fork,0xced/nimbus,dachaoisme/nimbus,dachaoisme/nimbus,zilaiyedaren/nimbus,tranhieutt/nimbus,zaichang/nimbus,LcongGitHub/nimbus,andaluz/nimbus,dmishe/nimbus,alloy/nimbus,bangquangvn/nimbus,weiyanwu1984/nimbus,WeeTom/nimbus,michaelShab/nimbus,liuwu/nimbus,djMax/nimbus,alloy/nimbus,kviksilver/nimbus,JyHu/nimbus,treejames/nimbus,panume/nimbus,andaluz/nimbus,chanffdavid/nimbus,michaelShab/nimbus,kviksilver/nimbus,dachaoisme/nimbus,quyixia/nimbus,pilot34/nimbus_fork,LcongGitHub/nimbus,pilot34/nimbus_fork,dieface/nimbus,xiaohongjun0509/nimbus,treejames/nimbus,JyHu/nimbus,quyixia/nimbus,Guokr1991/nimbus,marcobgoogle/nimbus,mohsinalimat/nimbus,zaichang/nimbus,dieface/nimbus,kisekied/nimbus,xiaohongjun0509/nimbus,bogardon/nimbus,ycaihua/nimbus,zilaiyedaren/nimbus,0xced/nimbus,mohsinalimat/nimbus,jverkoey/nimbus,Arcank/nimbus,jverkoey/nimbus,kisekied/nimbus,dieface/nimbus,dmishe/nimbus,weiyanwu1984/nimbus,JyHu/nimbus,Arcank/nimbus,jverkoey/nimbus,alloy/nimbus,compositeprimes/nimbus,tranhieutt/nimbus,michaelShab/nimbus,DreamHill/nimbus,0xced/nimbus,hanangellove/nimbus,jverkoey/nimbus,bogardon/nimbus,jverkoey/nimbus,cnbin/nimbus,tranhieutt/nimbus,SuPair/nimbus,andaluz/nimbus,marcobgoogle/nimbus,Guokr1991/nimbus,michaelShab/nimbus,liuwu/nimbus,xiaohongjun0509/nimbus,panume/nimbus,pilot34/nimbus_fork,compositeprimes/nimbus,LcongGitHub/nimbus,chanffdavid/nimbus,marcobgoogle/nimbus,WeeTom/nimbus,treejames/nimbus,compositeprimes/nimbus,kisekied/nimbus,quyixia/nimbus,zilaiyedaren/nimbus,jverkoey/nimbus,hanangellove/nimbus,jverkoey/nimbus,panume/nimbus,marcobgoogle/nimbus,Guokr1991/nimbus,DreamHill/nimbus,pilot34/nimbus_fork,JyHu/nimbus,compositeprimes/nimbus,djMax/nimbus,dieface/nimbus,kisekied/nimbus,JyHu/nimbus,kisekied/nimbus,LcongGitHub/nimbus,andaluz/nimbus,chanffdavid/nimbus,SuPair/nimbus,JyHu/nimbus,bogardon/nimbus,quyixia/nimbus,andaluz/nimbus,tranhieutt/nimbus,Guokr1991/nimbus,mohsinalimat/nimbus,liuwu/nimbus,pilot34/nimbus_fork,alloy/nimbus,liuwu/nimbus,marcobgoogle/nimbus,dmishe/nimbus,cnbin/nimbus,tranhieutt/nimbus,marcobgoogle/nimbus,zaichang/nimbus,ycaihua/nimbus,zaichang/nimbus,zilaiyedaren/nimbus,0xced/nimbus,ycaihua/nimbus,compositeprimes/nimbus,alloy/nimbus,cnbin/nimbus,weiyanwu1984/nimbus,DreamHill/nimbus,bangquangvn/nimbus,compositeprimes/nimbus,quyixia/nimbus,dachaoisme/nimbus,ycaihua/nimbus,SuPair/nimbus,cnbin/nimbus,bogardon/nimbus