:root {
    --s-25: #FFFFFF;
    --s-50: #F5F5F5;
    --s-75: #DDDDDD;
    --s-800: #252525;
    --s-900: #000000;
    
    --s-25-t10: rgba(255,255,255,0.1);
    --s-25-t50: rgba(255,255,255,0.5);
    --s-25-t60: rgba(255,255,255,0.6);
    --s-25-t80: rgba(255,255,255,0.8);
    
    --s-800-t10: rgba(37,37,37,0.1);
    --s-800-t50: rgba(37,37,37,0.5);
    --s-800-t75: rgba(37,37,37,0.75);
    
    --s-900-t10: rgba(0,0,0,0.1);
    --s-900-t20: rgba(0,0,0,0.2);
    --s-900-t60: rgba(0,0,0,0.6);
    
    --b-25: #00B8EC;
    --b-50: #0090B8;
    --b-75: #23578D;
    --b-100: #F6DC2E;
}