message: Button: refactor & reorder styles
diff: border-radius: 8px;
  }
  -.Button__in {
  - display: flex;
  - align-items: center;
  +.Button[disabled] {
  + opacity: .4;
  }
  .Button__before:not(:last-child) {
  padding-bottom: 7px;
  }
  -.Button[disabled] {
  - opacity: .4;
  +.Button__in {
  + display: flex;
  + align-items: center;
  }
  .Button--aln-left .Button__in {
  justify-content: center;
  }
  -/*
  - iOS
  +/**
  + * iOS
  */
  .Button--ios {
  border-radius: 10px;
  padding-bottom: 11px;
  }
  -/*
  - VKCOM
  +/**
  + * VKCOM
  */
  .Button--vkcom {
  border-radius: 4px;
  opacity: .72;
  }
  -/*
  - sizeY = Compact
  +/**
  + * sizeY COMPACT
  */
  .Button--sizeY-compact {
  min-height: 26px;
  padding-bottom: 5px;
  }
  -/* medium size */
  .Button--sizeY-compact.Button--sz-m {
  min-height: 32px;
  }
  padding-bottom: 6px;
  }
  -/* large size */
  .Button--sizeY-compact.Button--sz-l {
  min-height: 36px;
  }
  