html body .page .about-style-1 {
  mask-type:luminance
}

html body .page .about-style-2 {
  mask-type:luminance
}

html body .page .about-style-3 {
  mask-type:luminance
}

html body .page .about-style-4 {
  mask-type:luminance
}

html body .page .about-style-5 {
  color:#7c8a9f;
  line-height:1.8
}