html {  
  --black:  #000;
  --white: #fff;

  --blue: rgba(15, 64, 82, 1);
  --blue-transparent: rgba(15, 64, 82, .85);

  --blue-light: #1b708f;

  --yellow: rgba(237, 180, 12, 1);
  --yellow-transparent: rgba(237, 180, 12, .85);

  --yellow-transparent2: rgba(237, 180, 12, .95);









  --vertical-height: calc(100vh - 100px);
  --center: text-align:center; margin: 0px auto; 
  --show: rgba(0, 0, 0, .5);

}