실전퍼블리싱(도형 로딩 애니메이션-2)

사각형 좌표 변경 로딩 애니메이션

예제보기

HTML

  <div class="loading">
    <span></span>
    <span></span>
  </div>

CSS

/* Google Web Font */
@import url('https://font.googleapis.com/css?family=Raleway&display=swap');

body {
    font-family: 'Raleway', 'sans-serif';
    line-height: 1.5em;
    margin: 0%;
    font-weight: 300;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
  }
  a {
    text-decoration: none;
  }

  .loading {
    /* border: 1px solid red; */
    width: 30px;
    height: 30px;
    position: relative;
  }
  .loading span {
    position: absolute;
    width: 10px;
    height: 10px;
    background-color: #fff;
    top: 0;
    left: 0;
    animation: loading 1.5s infinite;
    background-color: crimson;

  }
  .loading span:nth-child(2) {
    animation-delay: 0.8s;
  }
  
  @keyframes loading {
    0% {
      top: 0;
      left: 0;
    }
    25% {
      top: 0;
      left: calc(100% - 10px);
      background-color: dodgerblue;
    }
    50% {
      top: calc(100% - 10px);
      left: calc(100% - 10px);
      background-color: orange;
    }
    75% {
      top: calc(100% - 10px);
      left: 0;
      background-color: yellowgreen;
    }
    100% {
      top: 0;
      left: 0;

    }
  }