.paragraph-HIGHLIGHTED div {
  background-image: linear-gradient(to right, yellow 50%, yellow 50%);
  background-size: 100% 1.1em;
  display: inline;
}

.paragraph-IMPORTANT div {
  background-image: linear-gradient(to right, #2affff 50%, #2affff 50%);
  background-size: 100% 1.1em;
  display: inline;
}

.paragraph-VERY_IMPORTANT div {
  background-image: linear-gradient(to right, #fb7a60 50%, #fb7a60 50%);
  background-size: 100% 1.1em;
  display: inline;
  color: #16191CFF
}