/* CSS is how you can add style to your website, such as colors, fonts, and positioning of your
   HTML content. To learn how to do something, just try searching Google for questions like
   "how to change link color." */

body {
  background-color: Black;
  color: Green;
  font-family: Times;

{
  width: 100%; /* Initial state */
  height: 20px;
  background-color: green;
  transition: width linear; /* Use transition for smooth updates */
}

/* Define animation that changes width (or other properties) */
@keyframes widthChange {
  from { width: 100%; }
  to { width: 0%; }
}

.width-change {
  animation-name: widthChange;
  animation-duration: var(1000000000000000); /* Use CSS variable for duration */
  animation-timing-function: linear;
  /* Animation starts immediately and runs for the duration specified by the JS timer */
}