message: dropdown updates
diff: @@ -27,8 +27,8 @@ const Dropdown = styled(DropdownBase)`
  `
  const DropdownCaret = styled.div`
  - border: ${get('space.1')} solid transparent;
  - margin-left: ${get('space.1')};
  + border: 4px solid transparent;
  + margin-left: 12px;
  border-top-color: currentcolor;
  border-bottom-width: 0;
  content: '';
  @@ -42,7 +42,7 @@ const DropdownMenu = styled.ul`
  background-clip: padding-box;
  background-color: ${get('colors.white')};
  border: 1px solid rgba(27, 31, 35, 0.15);
  - border-radius: ${get('radii.1')};
  + border-radius: ${get('radii.2')};
  box-shadow: 0 3px 12px rgba(27, 31, 35, 0.15);
  left: 0;
  list-style: none;
  @@ -66,7 +66,7 @@ const DropdownMenu = styled.ul`
  }
  &::before {
  - border: ${get('space.2')} solid transparent;
  + border: 8px solid transparent;
  border-bottom-color: ${get('colors.blackfade15')};
  }
  