.win-metro-loading-indicator {
    width: 100%;
    position: relative;
    height: 4px;
    overflow: hidden;
}

.win-metro-loading-indicator .tick {
    border: 2px solid #ff0;
    position: absolute;
    left: 0px;
    width: 0px;
    animation: win-metro-li-tick-iteration 3s infinite cubic-bezier(0.350, 1.000, 0.650, 0.000);
    -webkit-animation: win-metro-li-tick-iteration 3s infinite cubic-bezier(0.350, 1.000, 0.650, 0.000);
}

.win-metro-loading-indicator .tick:nth-child(2) {
  -webkit-animation-delay: 100ms;
}
.win-metro-loading-indicator .tick:nth-child(3) {
  -webkit-animation-delay: 200ms;
}
.win-metro-loading-indicator .tick:nth-child(4) {
  -webkit-animation-delay: 300ms;
}
.win-metro-loading-indicator .tick:nth-child(5) {
  -webkit-animation-delay: 400ms;
}

@-webkit-keyframes win-metro-li-tick-iteration {
  0% { left: 0px; }

  100% { left: 100%; }
}
@keyframes win-metro-li-tick-iteration {
  0% { left: 0px; }

  100% { left: 100%; }
}
Add missing CSS file for win-metro LI
Add missing CSS file for win-metro LI
