react-app-shell/activity/src/components/loading/loading.less

react打包脚本和example, 这里的版本请忽略

/**
 *
 *
 */

.loader-wrapper {
  padding: 0;
  margin: 0;
  height: 100%;
  width: 750px;
  font-size: 16px;
  background: rgba(0, 0, 0, .7);
  font-family: "Source Sans Pro";
  box-sizing: border-box;
  z-index: 99999;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  .loader {
    height: 80px;
    width: 80px;
    margin: 0 auto;
    margin-top: 100px;
  }
}
@keyframes rotate {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  50% {
    -webkit-transform: rotate(180deg);
    transform: rotate(180deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}
.ball-clip-rotate > div {
  background-color: #fff;
  width: 40px;
  height: 40px;
  border-radius: 100%;
  margin: 4px;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
  border: 4px solid rgba(254, 133, 69, 1);
  border-bottom-color: transparent;
  background: transparent !important;
  display: block;
  -webkit-animation: rotate 0.75s 0s linear infinite;
  animation: rotate 0.75s 0s linear infinite;
  margin: 0 auto;
}

@-webkit-keyframes scale {
  0% {
    -webkit-transform: scale(1);
    transform: scale(1);
    opacity: 1;
  }
  45% {
    -webkit-transform: scale(0.1);
    transform: scale(0.1);
    opacity: 0.7;
  }
  80% {
    -webkit-transform: scale(1);
    transform: scale(1);
    opacity: 1;
  }
}
@keyframes scale {
  0% {
    -webkit-transform: scale(1);
    transform: scale(1);
    opacity: 1;
  }
  45% {
    -webkit-transform: scale(0.1);
    transform: scale(0.1);
    opacity: 0.7;
  }
  80% {
    -webkit-transform: scale(1);
    transform: scale(1);
    opacity: 1;
  }
}

.ball-pulse > div:nth-child(1) {
  -webkit-animation: scale 0.75s -0.24s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08);
          animation: scale 0.75s -0.24s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08); }

.ball-pulse > div:nth-child(2) {
  -webkit-animation: scale 0.75s -0.12s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08);
          animation: scale 0.75s -0.12s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08); }

.ball-pulse > div:nth-child(3) {
  -webkit-animation: scale 0.75s 0s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08);
          animation: scale 0.75s 0s infinite cubic-bezier(0.2, 0.68, 0.18, 1.08); }

.ball-pulse > div {
  background-color: rgba(254, 133, 69, 1);
  width: 15px;
  height: 15px;
  -webkit-animation-fill-mode: both;
  animation-fill-mode: both;
  display: inline-block;
  border: 7.5px solid rgba(254, 133, 69, 1);
  border-top-left-radius: 999px; /* 左上角 */
  border-top-right-radius: 999px; /* 右上角 */
  border-bottom-right-radius: 999px; /* 右下角 */
  border-bottom-left-radius: 999px; /* 左下角 */
  border-radius: 999px;
  background-clip: padding-box;
  padding: 0;
  margin: 5px;
}