body {
    background-image: linear-gradient(to right, #3a6cbc, #4a77c4, #5882cc, #668ed4, #7499dc, #70a6e7, #6cb2f0, #69bff8, #52cffe, #41dfff, #46eefa, #5ffbf1);
  }
  
  #rut {
    height: 60px;
    font-size: 25px;
    text-transform: uppercase;
  }
  
  .text-big {
    font-size: 19px;
  }