@ionic/core/dist/collection/components/spinner/spinner.css

Base components for Ionic

:host {
  /**
   * @prop --color: Color of the spinner
   */
  display: inline-block;
  position: relative;
  width: 28px;
  height: 28px;
  color: var(--color);
  user-select: none;
}

:host(.ion-color) {
  color: var(--ion-color-base);
}

svg {
  left: 0;
  top: 0;
  transform-origin: center;
  position: absolute;
  width: 100%;
  height: 100%;
  transform: translateZ(0);
}
[dir=rtl] svg, :host-context([dir=rtl]) svg {
  left: unset;
  right: unset;
  right: 0;
}

[dir=rtl] svg, :host-context([dir=rtl]) svg {
  transform-origin: calc(100% - center);
}

:host(.spinner-lines) line,
:host(.spinner-lines-small) line {
  stroke-width: 4px;
  stroke-linecap: round;
  stroke: currentColor;
}

:host(.spinner-lines) svg,
:host(.spinner-lines-small) svg {
  animation: spinner-fade-out 1s linear infinite;
}

:host(.spinner-bubbles) svg {
  animation: spinner-scale-out 1s linear infinite;
  fill: currentColor;
}

:host(.spinner-circles) svg {
  animation: spinner-fade-out 1s linear infinite;
  fill: currentColor;
}

:host(.spinner-crescent) circle {
  fill: transparent;
  stroke-width: 4px;
  stroke-dasharray: 128px;
  stroke-dashoffset: 82px;
  stroke: currentColor;
}

:host(.spinner-crescent) svg {
  animation: spinner-rotate 1s linear infinite;
}

:host(.spinner-dots) circle {
  stroke-width: 0;
  fill: currentColor;
}

:host(.spinner-dots) svg {
  animation: spinner-dots 1s linear infinite;
}

:host(.spinner-circular) {
  animation: spinner-circular linear infinite;
}

:host(.spinner-circular) circle {
  animation: spinner-circular-inner ease-in-out infinite;
  stroke: currentColor;
  stroke-dasharray: 80px, 200px;
  stroke-dashoffset: 0px;
  stroke-width: 5.6;
  fill: none;
}

:host(.spinner-paused),
:host(.spinner-paused) svg,
:host(.spinner-paused) circle {
  animation-play-state: paused;
}

@keyframes spinner-fade-out {
  0% {
    opacity: 1;
  }
  100% {
    opacity: 0;
  }
}
@keyframes spinner-scale-out {
  0% {
    transform: scale(1, 1);
  }
  100% {
    transform: scale(0, 0);
  }
}
@keyframes spinner-rotate {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}
@keyframes spinner-dots {
  0% {
    transform: scale(1, 1);
    opacity: 0.9;
  }
  50% {
    transform: scale(0.4, 0.4);
    opacity: 0.3;
  }
  100% {
    transform: scale(1, 1);
    opacity: 0.9;
  }
}
@keyframes spinner-circular {
  100% {
    transform: rotate(360deg);
  }
}
@keyframes spinner-circular-inner {
  0% {
    stroke-dasharray: 1px, 200px;
    stroke-dashoffset: 0px;
  }
  50% {
    stroke-dasharray: 100px, 200px;
    stroke-dashoffset: -15px;
  }
  100% {
    stroke-dasharray: 100px, 200px;
    stroke-dashoffset: -125px;
  }
}