progress_activity.css

/* ----------------------------------
 * Progress + activities
 * ---------------------------------- */

/* Spinner */
progress:not([value]) {
  background: url(progress_activity/images/ui/default.png) no-repeat center center / 100% auto;
  animation: 0.9s rotate infinite steps(30);
  width: 2.9rem;
  height: 2.9rem;
  border: none;
  display: inline-block;
  vertical-align: middle;
}

progress:not([value]).light {
  background-image: url(progress_activity/images/ui/light.png);
}

progress:not([value])::-moz-progress-bar {
 background: none;
}

/* Progress bar */
progress[value] {
  width: 100%;
  background: #333;
  border: none;
  border-radius: 0;
  height: 0.4rem;
  display: block;
}

progress[value]::-moz-progress-bar {
  background: #01c5ed;
  border-radius: 0;
}

/* Progress bar */
progress[value].pack-activity {
  background-size: 15rem;
}
html[dir="ltr"] progress[value].pack-activity {
  animation: 1.5s move-right steps(15) infinite;
  background-image: repeating-linear-gradient(135deg, #92F4FE, #92F4FE 5rem, #00CDF0 5rem, #00CDF0 10rem);
}
html[dir="rtl"] progress[value].pack-activity {
  animation: 1.5s move-left steps(15) infinite;
  background-image: repeating-linear-gradient(-135deg, #92F4FE, #92F4FE 5rem, #00CDF0 5rem, #00CDF0 10rem);
}

/* Labels */
p[role="status"] {
  padding: 0.5rem;
  font-weight: 300;
  font-size: 2.25rem;
  line-height: 1.4em;
  color: #fff;
}

p[role="status"] progress:not([value]) {
  margin-inline-end: 0.5rem;
}

p[role="status"] progress:not([value]) + span {
  margin-bottom: 0;
}

p[role="status"] span {
  display: inline-block;
  vertical-align: middle;
  margin-bottom: 0.5rem;
}

/* Progress steps */
.bb-steps {
  position: relative;
  height: 0.3rem;
}
html[dir="ltr"] .bb-steps { transform: scaleX(1); }
html[dir="rtl"] .bb-steps { transform: scaleX(-1); }

.bb-steps:before {
  position: absolute;
  content: "";
  height: 0;
  left: 0;
  top: 0.1rem;
  right: 0;
  border-top: 0.1rem solid #b7b7b7;
  border-bottom: 0.1rem solid #fff;
}

.bb-steps progress[value] {
  position: absolute;
  height: 0.3rem;
  left: 0;
  top: 0;
  background: #858585;
  transition: transform 0.35s cubic-bezier(0, 1, 0.5, 1.1);
}

.bb-steps progress[value]::-moz-progress-bar {
  background: none;
}

/* Animations */
@keyframes rotate {
  from { transform: rotate(1deg); }
  to   { transform: rotate(360deg); }
}

@keyframes move-right {
  from { background-position: -15rem 0; }
  to   { background-position: 0 0; }
}

@keyframes move-left {
  from { background-position: 0 0; }
  to   { background-position: -15rem 0; }
}