Opacity
This module is a sequence of opacity values that you can apply to any element to adjust the opacity of text, backgrounds, and images.
Note: This will set the opacity of the ENTIRE element. If you need a transparency background effect for white or black, see Grayscale
Opacity scale
<img src="#" class="o-90">
<img src="#" class="o-80">
<img src="#" class="o-70">
<img src="#" class="o-60">
<img src="#" class="o-50">
<img src="#" class="o-40">
<img src="#" class="o-30">
<img src="#" class="o-20">
<img src="#" class="o-10">
<img src="#" class="o-05">
<img src="#" class="w-100 o-025">