fix(Balance boxes buttons): New CSS rulesets.
fix(Balance boxes buttons): New CSS rulesets.

- Fixed misalignment in Balance boxes buttons.
- Fixed wrong sizing in Balance boxes buttons.
- Fixed wrong border-radius in Balance boxes buttons.
- Fixed positioning of the Balance Boxes button area.

wavesplatform/WavesGUI,beregovoy68/WavesGUI,wavesplatform/WavesGUI,beregovoy68/WavesGUI,wavesplatform/UpcoinWallet,beregovoy68/WavesGUI,wavesplatform/WavesGUI,wavesplatform/WavesGUI,beregovoy68/WavesGUI,wavesplatform/UpcoinWallet