community-app/app/styles-dev/main/components/_loader.scss

.wrapper {
    margin: 50px auto;
    height: 250px;
    width: 240px;
    position: relative;
    
   .triangle {
    width: 0;
    height: 0;
    border-style: solid;
    position: absolute;
    animation: rotate 0.7s infinite 1s;
  }
  
  .bottom {
    border-width: 0 100px 100px 100px;
    border-color: transparent transparent #1fb050 transparent;
    bottom: 10px;
    left: calc(50% - 100px);
  }
  
  .top {
    border-width: 100px 100px 0 100px;
    border-color: #b4d575 transparent transparent transparent;
    top: 10px;
    left: calc(50% - 100px);
  }
  
  .left {
    border-width: 100px 0 100px 100px;
    border-color: transparent transparent transparent #1074b9;
    top: calc(50% - 100px);
    left: 10px;
  }
  
  .right {
    border-width: 100px 100px 100px 0;
    border-color: transparent #1daeec transparent transparent;
    top: calc(50% - 100px);
    right: 10px;
  }
  
  @keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
    }
  }