body {
  background-color: blue;
  color: white;
  font-family: Courier New;
}

table {
  width: 50%;
}

a {
  color: yellow;
}


body { margin: 10px; }

.marquee {
  height: 25px;
  width: 400px;

  overflow: hidden;
  position: relative;
}

.marquee div {
  display: block;
  width: 200%;
  height: 30px;

  position: absolute;
  overflow: hidden;

  animation: marquee 5s linear infinite;
}

.marquee span {
  float: left;
  width: 50%;
}

@keyframes marquee {
  0% { left: 0; }
  100% { left: -100%; }
}