h1 span {
    position: relative;
    padding: 0 5px;
  }
  h1 span::after {
    content: '';
    position: absolute;
    bottom: 0px;
    left: 0;
    right: 0;
    height: .6em; 
    background: #C8DBEE;
    z-index: -1;
    /* opacity: 0.8; */
  
  }