Reimplemetation of deprecated HTML tags as CSS classes

legacy.css

.marquee {
  width: 450px;
  margin: 0 auto;
  white-space: nowrap;
  overflow: hidden;
  box-sizing: border-box;
}

.marquee span {
  display: inline-block;
  padding-left: 100%;
  /* show the marquee just outside the paragraph */
  animation: marquee 15s linear infinite;
}

.marquee span:hover {
  animation-play-state: paused
}

@keyframes marquee {
  0% {
    transform: translate(0, 0);
  }
  100% {
    transform: translate(-100%, 0);
  }
}
.blink {
  animation: blink-animation 1s steps(5, start) infinite;
  -webkit-animation: blink-animation 1s steps(5, start) infinite;
}
@keyframes blink-animation {
  to {
    visibility: hidden;
  }
}
@-webkit-keyframes blink-animation {
  to {
    visibility: hidden;
  }
}