Opacity
Trait for controlling element opacity.
                Default styling
              
            
    Opacity 
              
            
                100
              
              
                Set opacity to 
              1. In other words it's solid.
              
    Opacity 100
                
              
                80
              
              
                Set opacity to 0.8
              
              
    Opacity 80
                
              
                60
              
              
                Set opacity to 0.6.
              
              
    Opacity 60
                
              
                40
              
              
                Set opacity to 0.4
              
              
    Opacity 40
                
              
                20
              
              
                Set opacity to 0.2
              
              
    Opacity 20
                
              
                0
              
              
                Set opacity to 0. In other words it's transparent.
              
              
    Opacity 0
                
              Markup
<div pam-opacity="[modifier]" pam-skin="primary" pam-space="p:4" pam-size="w:1-2">
    <span pam-skin="on:primary">Opacity [modifier]</span>
</div>