:root {
  --progress-duration: 5.8s;
  --progress-height: 5px;
  --progress-color: rgb(35,163,255);
  --progress-color-ending: rgba(35,163,255,0.2);
  --progress-shadow: 0 0 3px 2px rgba(0,148,255,0.23);
}

.progress-css {
  position: fixed;
  top: 0;
  left: 0;
  height: var(--progress-height);
  width: 100%;
  background-color: transparent;
  z-index: 99999;
  box-shadow: none;
  animation: progress-load var(--progress-duration);
  -webkit-animation: progress-load var(--progress-duration);
  animation-timing-function: ease-in-out;
}

@keyframes progress-load {
  0% {
    background-color: var(--progress-color);
    box-shadow: var(--progress-shadow);
    width: 0%;
  }
  20% {
    background-color: var(--progress-color);
    width: 20%;
  }
  25% {
    background-color: var(--progress-color);
    width: 28%;
  }
  90% {
    background-color: var(--progress-color);
    width: 85%;
  }
  100% {
    width: 100%;
    background-color: var(--progress-color-ending);
    box-shadow: none;
  }
}