CSS だけで作るローディング画像 ④
= Type 7 =

.scaling-squares-spinner, .scaling-squares-spinner * {
      box-sizing: border-box;
    }

    .scaling-squares-spinner {
      height: 65px;
      width: 65px;
      position: relative;
      display: flex;
      flex-direction: row;
      align-items: center;
      justify-content: center;
      animation: scaling-squares-animation 1250ms;
      animation-iteration-count: infinite;
      transform: rotate(0deg);
    }

    .scaling-squares-spinner .square {
      height: calc(65px * 0.25 / 1.3);
      width: calc(65px * 0.25 / 1.3);
      margin-right: auto;
      margin-left: auto;
      border: calc(65px * 0.04 / 1.3) solid  grey;
      position: absolute;
      animation-duration: 1250ms;
      animation-iteration-count: infinite;
    }

    .scaling-squares-spinner .square:nth-child(1) {
      animation-name: scaling-squares-spinner-animation-child-1;
    }

    .scaling-squares-spinner .square:nth-child(2) {
      animation-name: scaling-squares-spinner-animation-child-2;
    }

    .scaling-squares-spinner .square:nth-child(3) {
      animation-name: scaling-squares-spinner-animation-child-3;
    }

    .scaling-squares-spinner .square:nth-child(4) {
      animation-name: scaling-squares-spinner-animation-child-4;
    }


    @keyframes scaling-squares-animation {

      50% {
        transform: rotate(90deg);
      }

      100% {
        transform: rotate(180deg);
      }
    }

    @keyframes scaling-squares-spinner-animation-child-1 {
      50% {
        transform: translate(150%,150%) scale(2,2);
      }
    }

    @keyframes scaling-squares-spinner-animation-child-2 {
      50% {
        transform: translate(-150%,150%) scale(2,2);
      }
    }

    @keyframes scaling-squares-spinner-animation-child-3 {
      50% {
        transform: translate(-150%,-150%) scale(2,2);
      }
    }

    @keyframes scaling-squares-spinner-animation-child-4 {
      50% {
        transform: translate(150%,-150%) scale(2,2);
      }
    }